{"title":"CO2 Optical Lenses","description":"","products":[{"product_id":"10600nm-co2-laser-safety-goggles","title":"LinkMetal CNC CO2 Laser Safety Goggles","description":"\u003ch2\u003eCO2 Laser Safety Goggles 10600nm OD7+\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndustrial grade professional laser safety goggles specially designed for 10600nm CO2 laser equipment.\u003c\/strong\u003e Features OD7+ high optical density protection, effectively blocking harmful far-infrared laser radiation and protecting eyes from permanent damage during cutting, engraving and marking operations. Available in 3 ergonomic styles to meet different working scenarios and wearing habits.\u003c\/p\u003e\n\n\u003cp\u003eThese safety goggles are certified to meet international laser safety standards, providing reliable protection for all workers operating CO2 laser equipment. All products undergo strict optical performance testing before delivery to ensure maximum safety.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our CO2 Laser Safety Goggles\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExclusive 10600nm CO2 Laser Protection\u003c\/strong\u003e: Specifically designed for 10600nm far-infrared CO2 laser radiation, the most common wavelength used in industrial laser cutting, engraving and marking machines.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eOD7+ High Optical Density\u003c\/strong\u003e: Provides OD7+ (Optical Density 7+) protection at 10600nm, blocking over 99.99999% of harmful CO2 laser radiation. Ensures complete eye safety even in high-power laser environments.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e3 Ergonomic Style Options\u003c\/strong\u003e: Offers 3 different styles to choose from, suitable for different face shapes and usage habits. Fully covers all wearing needs and working scenarios.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Visible Light Transmittance\u003c\/strong\u003e: Excellent visible light transmittance with clear, distortion-free vision. Ensures operation accuracy and reduces eye strain during long working hours.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eDurable Industrial Construction\u003c\/strong\u003e: Made from impact-resistant and scratch-resistant polycarbonate lens. Durable enough to withstand harsh industrial environments and accidental impacts.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eComfortable Long-Term Wearing\u003c\/strong\u003e: Lightweight ergonomic design with anti-slip temples. Comfortable for extended periods of wear without causing fatigue or discomfort.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Suitable for all mainstream CO2 laser equipment, including cutting machines, engraving machines and marking machines from all major brands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Styles\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO2 Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10600nm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Safety Goggle Styles\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle A\u003c\/strong\u003e: Basic adjustable temple version, universal fit for most face shapes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle B\u003c\/strong\u003e: Large frame vented version, improved airflow for hot working environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle C\u003c\/strong\u003e: Flip-up over-glasses version, wears over prescription glasses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom orders or bulk purchases, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions and volume discounts.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO2 Laser Safety Goggles\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProtection Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10600nm (Far-Infrared)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOptical Density\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOD7+ @10600nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eVisible Light Transmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥40%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLens Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eImpact-Resistant Polycarbonate\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFrame Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh-Grade Nylon\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e35-55g (depending on style)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 5000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Equipment\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO2 Laser Cutting, Engraving, Marking Machines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO2 Laser Operation Eye Protection, Industrial Safety\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Pair of Selected Link Metal CNC 10600nm CO2 Laser Safety Goggles\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Dust-proof Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll CO2 laser safety goggles from Link Metal CNC undergo strict optical performance testing before delivery, including wavelength protection test, optical density measurement and impact resistance test.\u003c\/p\u003e\n\n\u003cp\u003eWe ensure each pair of goggles provides effective 10600nm laser protection and meets international safety standards. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between CO2 laser goggles and fiber laser goggles?\u003c\/strong\u003e\u003cbr\u003e\nA: CO2 lasers operate at 10600nm (far-infrared), while fiber lasers operate at 1064nm (near-infrared). These are completely different wavelengths, and goggles designed for one will not provide protection for the other. Always use goggles specifically rated for the wavelength of your laser equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need special goggles for CO2 lasers?\u003c\/strong\u003e\u003cbr\u003e\nA: CO2 laser radiation is invisible to the human eye but can cause severe burns to the cornea and permanent blindness, even from brief exposure. Regular safety glasses do not provide any protection against CO2 laser radiation. Only specially designed CO2 laser safety goggles can protect your eyes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Which style should I choose?\u003c\/strong\u003e\u003cbr\u003e\nA: Style A is the most popular and suitable for general use. Style B is recommended for hot working environments as it provides better airflow. Style C is designed for users who wear prescription glasses and can be worn over regular eyeglasses.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long do CO2 laser safety goggles last?\u003c\/strong\u003e\u003cbr\u003e\nA: With proper care, CO2 laser safety goggles can last 1-2 years. Replace them immediately if the lens becomes scratched, cracked, or discolored, as this can reduce their protective effectiveness. Always store them in the provided hard case when not in use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can these goggles be used for other laser wavelengths?\u003c\/strong\u003e\u003cbr\u003e\nA: No, these goggles are specifically designed for 10600nm CO2 lasers. They do not provide protection against fiber lasers (1064nm), UV lasers or other wavelengths. Always use goggles that are rated for the specific wavelength of your laser equipment.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/laser-cutting-accessories\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including protective lenses, nozzles, ceramic rings and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"Style A","offer_id":48133782896862,"sku":"LMCNC-CO2-GOGGLE-A","price":11.9,"currency_code":"USD","in_stock":true},{"title":"Style B","offer_id":48133782929630,"sku":"LMCNC-CO2-GOGGLE-B","price":11.9,"currency_code":"USD","in_stock":true},{"title":"Style C","offer_id":48133782962398,"sku":"LMCNC-CO2-GOGGLE-C","price":11.9,"currency_code":"USD","in_stock":true},{"title":"Style D","offer_id":48133782995166,"sku":"LMCNC-CO2-GOGGLE-D","price":14.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-co2-laser-safety-goggles-01.jpg?v=1776686829"},{"product_id":"cvd-znse-co2-laser-focus-lens-10-6um","title":"LinkMetal CNC Premium Import Grade CVD ZnSe CO2 Laser Focus Lens","description":"\u003ch2\u003ePremium Import Grade CVD ZnSe CO2 Laser Focus Lens 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndustrial grade premium import grade CVD ZnSe focus lens specially designed for 10.6μm CO2 laser equipment.\u003c\/strong\u003e Features high transmittance, low absorption and high damage threshold. Effectively improves laser cutting and engraving efficiency and extends service life. It is an essential core consumable for all CO2 laser machines.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 20+ standard specifications, fully compatible with all mainstream CO2 laser cutting, engraving and marking machines on the market. All lenses are manufactured with strict optical quality control to ensure reliable performance in demanding industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our CVD ZnSe CO2 Focus Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImported High-Purity CVD ZnSe Material\u003c\/strong\u003e: Made from premium imported chemical vapor deposition (CVD) zinc selenide. Features extremely low absorption rate and high thermal conductivity, minimizing thermal lens effect and ensuring stable performance under high power operation.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e\u0026gt;99% High Transmittance\u003c\/strong\u003e: Double-sided anti-reflection coating optimized for 10.6μm wavelength. Provides transmittance greater than 99%, significantly reducing energy loss and improving cutting\/engraving efficiency.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Laser Damage Threshold\u003c\/strong\u003e: Excellent thermal stability and high laser damage threshold. Can withstand continuous high-power laser operation without thermal deformation or damage.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Optical Polishing\u003c\/strong\u003e: Precision polished to 60\/40 surface quality. No scratches, no bubbles, no inclusions, ensuring perfect laser beam quality and consistent cutting results.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e20+ Standard Specifications\u003c\/strong\u003e: Complete range of diameters and focal lengths available, covering all mainstream CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Standard dimensions ensure perfect fit with all original and compatible CO2 laser cutting heads. Easy to install and replace with no additional debugging required.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Quality Testing\u003c\/strong\u003e: Each lens undergoes strict optical performance testing before delivery, including transmittance test, surface quality inspection and dimensional accuracy verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO2 Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Focus Lens Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD12mm FL50.8mm\u003c\/strong\u003e: 12mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD15mm FL38.1mm\u003c\/strong\u003e: 15mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD15mm FL50.8mm\u003c\/strong\u003e: 15mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL50.8mm\u003c\/strong\u003e: 18mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL63.5mm\u003c\/strong\u003e: 18mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL50.8mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL63.5mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL38.1mm\u003c\/strong\u003e: 20mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL50.8mm\u003c\/strong\u003e: 20mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL63.5mm\u003c\/strong\u003e: 20mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL76.2mm\u003c\/strong\u003e: 20mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL101.6mm\u003c\/strong\u003e: 20mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL50.8mm\u003c\/strong\u003e: 25mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL63.5mm\u003c\/strong\u003e: 25mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL76.2mm\u003c\/strong\u003e: 25mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL101.6mm\u003c\/strong\u003e: 25mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28mm FL50.8mm\u003c\/strong\u003e: 28mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28mm FL63.5mm\u003c\/strong\u003e: 28mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28mm FL76.2mm\u003c\/strong\u003e: 28mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28mm FL127mm\u003c\/strong\u003e: 28mm diameter, 127mm (5\") focal length\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, focal lengths or special coatings, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGrade\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePremium Import Grade\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCVD ZnSe CO2 Laser Focus Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eImport Grade CVD Zinc Selenide (ZnSe)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDouble-Sided Anti-Reflection Coating @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWavefront Error\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @632.8nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12mm, 15mm, 18mm, 19.05mm, 20mm, 25mm, 28mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e38.1mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm, 127mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 5000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Equipment\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO2 Laser Cutting, Engraving, Marking Machines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Cutting, Laser Engraving, Laser Marking\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Link Metal CNC Premium Import Grade CVD ZnSe CO2 Laser Focus Lens\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Dust-proof Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eEach premium CVD ZnSe focus lens from Link Metal CNC undergoes strict optical performance testing before delivery, including transmittance test, surface quality inspection, wavefront error measurement and dimensional accuracy verification.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure stable and reliable optical performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between CVD ZnSe and regular ZnSe?\u003c\/strong\u003e\u003cbr\u003e\nA: CVD (Chemical Vapor Deposition) ZnSe is produced using a high-purity manufacturing process that results in lower absorption, higher thermal conductivity and better optical homogeneity compared to regular ZnSe. This makes CVD ZnSe lenses more durable, more efficient and better suited for high-power CO2 laser applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I choose the correct focal length?\u003c\/strong\u003e\u003cbr\u003e\nA: Shorter focal lengths (38.1mm-50.8mm) provide a smaller spot size and higher power density, ideal for engraving and thin material cutting. Longer focal lengths (63.5mm-127mm) provide a deeper depth of field, better for cutting thicker materials. Always match the focal length to your original lens for best performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the CO2 focus lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a CVD ZnSe focus lens should last 3-6 months. However, it should be replaced immediately if you notice any film burning, scratches, or if cutting\/engraving quality deteriorates. Poor air filtration and frequent cutting of oily materials will accelerate lens contamination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean the CO2 focus lens correctly?\u003c\/strong\u003e\u003cbr\u003e\nA: Always wear clean gloves when handling optical lenses. Use a blower ball first to remove loose dust. Then fold a lint-free microfiber cloth into a small square, apply a small amount of lens cleaning fluid, and gently wipe the lens surface in a single direction from the center to the edge. Never use regular paper towels or tissues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this lens for fiber laser machines?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this lens is specifically designed for 10.6μm CO2 lasers. It will not work for 1064nm fiber lasers. Using the wrong wavelength lens will result in extremely high absorption, causing the lens to overheat and crack almost immediately.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 protective lenses, mirrors, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D12mmFL50.8mm","offer_id":48134615531742,"sku":"LMCNC-ZNSE-D12-FL50.8","price":10.9,"currency_code":"USD","in_stock":true},{"title":"D15mmFL38.1mm","offer_id":48134615564510,"sku":"LMCNC-ZNSE-D15-FL38.1","price":18.9,"currency_code":"USD","in_stock":true},{"title":"D15mmFL50.8mm","offer_id":48134615597278,"sku":"LMCNC-ZNSE-D15-FL50.8","price":18.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL50.8mm","offer_id":48134615630046,"sku":"LMCNC-ZNSE-D18-FL50.8","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL63.5mm","offer_id":48134615662814,"sku":"LMCNC-ZNSE-D18-FL63.5","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL50.8mm","offer_id":48134615695582,"sku":"LMCNC-ZNSE-D19.05-FL50.8","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL63.5mm","offer_id":48134615728350,"sku":"LMCNC-ZNSE-D19.05-FL63.5","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL38.1mm","offer_id":48134615761118,"sku":"LMCNC-ZNSE-D20-FL38.1","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL50.8mm","offer_id":48134615793886,"sku":"LMCNC-ZNSE-D20-FL50.8","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL63.5mm","offer_id":48134615826654,"sku":"LMCNC-ZNSE-D20-FL63.5","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL76.2mm","offer_id":48134615859422,"sku":"LMCNC-ZNSE-D20-FL76.2","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL101.6mm","offer_id":48134615892190,"sku":"LMCNC-ZNSE-D20-FL101.6","price":20.9,"currency_code":"USD","in_stock":true},{"title":"D25mmFL50.8mm","offer_id":48134615924958,"sku":"LMCNC-ZNSE-D25-FL50.8","price":51.9,"currency_code":"USD","in_stock":true},{"title":"D25mmFL63.5mm","offer_id":48134615957726,"sku":"LMCNC-ZNSE-D25-FL63.5","price":51.9,"currency_code":"USD","in_stock":true},{"title":"D25mmFL76.2mm","offer_id":48134615990494,"sku":"LMCNC-ZNSE-D25-FL76.2","price":51.9,"currency_code":"USD","in_stock":true},{"title":"D25mmFL101.6mm","offer_id":48134616023262,"sku":"LMCNC-ZNSE-D25-FL101.6","price":51.9,"currency_code":"USD","in_stock":true},{"title":"D28mmFL50.8mm","offer_id":48134616056030,"sku":"LMCNC-ZNSE-D28-FL50.8","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D28mmFL63.5mm","offer_id":48134616088798,"sku":"LMCNC-ZNSE-D28-FL63.5","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D28mmFL76.2mm","offer_id":48134616121566,"sku":"LMCNC-ZNSE-D28-FL76.2","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D28mmFL127mm","offer_id":48134616154334,"sku":"LMCNC-ZNSE-D28-FL127","price":75.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48134616187102,"sku":null,"price":10.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-premium-cvd-znse-co2-laser-focus-lens-01.jpg?v=1776736594"},{"product_id":"economical-pvd-znse-co2-laser-focus-lens-10-6um","title":"LinkMetal CNC Economical PVD ZnSe CO2 Laser Focus Lens","description":"\u003ch2\u003eEconomical PVD ZnSe CO2 Laser Focus Lens 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh cost-effective domestic PVD ZnSe focus lens specially designed for 10.6μm CO2 laser equipment.\u003c\/strong\u003e Features stable optical performance and reliable quality, making it a perfect replacement for original lenses. Ideal for low to medium power laser operations and daily maintenance, significantly reducing your operating costs.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 21 standard specifications, fully compatible with all mainstream CO2 laser cutting, engraving and marking machines on the market. All lenses are manufactured with strict quality control to ensure reliable performance for general industrial applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our Economical PVD ZnSe CO2 Focus Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Value for Money\u003c\/strong\u003e: Significantly lower cost compared to imported CVD ZnSe lenses, greatly reducing your equipment operating and maintenance costs without compromising basic performance.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Domestic PVD ZnSe Material\u003c\/strong\u003e: Made from premium domestic physical vapor deposition (PVD) zinc selenide. Provides stable and reliable optical performance for most general laser applications.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eGood Transmittance\u003c\/strong\u003e: Features basic anti-reflection coating optimized for 10.6μm wavelength. Delivers good transmittance suitable for all low to medium power CO2 lasers up to 1500W.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e21 Standard Specifications\u003c\/strong\u003e: Complete range of diameters and focal lengths available, covering all mainstream CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Manufacturing\u003c\/strong\u003e: Strict dimensional tolerance control ensures perfect fit with all original and compatible CO2 laser cutting heads. Easy to install and replace with no additional debugging required.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Works with all major CO2 laser machine brands. Standard dimensions allow direct replacement of original lenses.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eReliable Quality Assurance\u003c\/strong\u003e: All lenses undergo strict dimensional inspection and basic optical testing before delivery, ensuring consistent performance and long service life for daily use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO2 Laser Cutting Machines (10W-1500W)\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Focus Lens Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD12mm FL25.4mm\u003c\/strong\u003e: 12mm diameter, 25.4mm (1\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD12mm FL50.8mm\u003c\/strong\u003e: 12mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD15mm FL38.1mm\u003c\/strong\u003e: 15mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD15mm FL50.8mm\u003c\/strong\u003e: 15mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL38.1mm\u003c\/strong\u003e: 18mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL50.8mm\u003c\/strong\u003e: 18mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL63.5mm\u003c\/strong\u003e: 18mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL76.2mm\u003c\/strong\u003e: 18mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL101.6mm\u003c\/strong\u003e: 18mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL38.1mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL50.8mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL63.5mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL76.2mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL101.6mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL38.1mm\u003c\/strong\u003e: 20mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL50.8mm\u003c\/strong\u003e: 20mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL63.5mm\u003c\/strong\u003e: 20mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL76.2mm\u003c\/strong\u003e: 20mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL101.6mm\u003c\/strong\u003e: 20mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL127mm\u003c\/strong\u003e: 20mm diameter, 127mm (5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Specifications\u003c\/strong\u003e: Contact us for custom diameters and focal lengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, focal lengths or special requirements, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGrade\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eEconomical Domestic PVD Grade\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePVD ZnSe CO2 Laser Focus Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDomestic PVD Zinc Selenide (ZnSe)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBasic Anti-Reflection Coating @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥98% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12mm, 15mm, 18mm, 19.05mm, 20mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e25.4mm, 38.1mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm, 127mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 1500W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Equipment\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO2 Laser Cutting, Engraving, Marking Machines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGeneral Laser Cutting, Laser Engraving, Daily Maintenance\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Link Metal CNC Economical PVD ZnSe CO2 Laser Focus Lens\u003c\/li\u003e\n  \u003cli\u003e1 x Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Dust-proof Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll economical PVD ZnSe focus lenses from Link Metal CNC undergo strict dimensional inspection and basic optical testing before delivery. We ensure each lens provides stable performance and excellent value for money for general industrial applications.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure consistent and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between PVD ZnSe and CVD ZnSe lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: PVD (Physical Vapor Deposition) ZnSe is a domestic manufacturing process that produces lenses at a significantly lower cost. CVD (Chemical Vapor Deposition) ZnSe is an imported high-grade material with lower absorption, higher thermal conductivity and better performance for high-power applications. PVD lenses are ideal for low to medium power lasers and daily maintenance, while CVD lenses are recommended for high-power and demanding industrial applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose economical PVD lenses over premium CVD lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose PVD lenses if you have a low to medium power laser (≤1500W), perform general cutting and engraving tasks, or are looking to reduce your daily maintenance costs. Choose CVD lenses if you have a high-power laser (\u0026gt;1500W), require maximum cutting efficiency, or operate in demanding industrial environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are PVD lenses a direct replacement for original lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, our PVD ZnSe lenses are manufactured to the same dimensional specifications as original lenses. They are a direct drop-in replacement and require no additional debugging or modification.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the PVD focus lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a PVD ZnSe focus lens should last 2-4 months. However, it should be replaced immediately if you notice any film burning, scratches, or if cutting\/engraving quality deteriorates.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use PVD lenses for high-power laser applications?\u003c\/strong\u003e\u003cbr\u003e\nA: No, PVD ZnSe lenses are designed for low to medium power lasers up to 1500W. Using them in higher power applications will result in increased absorption, overheating and premature lens failure. For high-power applications, we recommend our premium import grade CVD ZnSe lenses.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/cvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003ePremium Import Grade CVD ZnSe CO2 Laser Focus Lenses\u003c\/a\u003e for high-power applications.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 protective lenses, mirrors, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D12mmFL25.4mm","offer_id":48134727663838,"sku":"LMCNC-ZNSE-PVD-D12-FL25.4","price":8.9,"currency_code":"USD","in_stock":true},{"title":"D12mmFL50.8mm","offer_id":48134727696606,"sku":"LMCNC-ZNSE-PVD-D12-FL50.8","price":8.9,"currency_code":"USD","in_stock":true},{"title":"D15mmFL38.1mm","offer_id":48134727729374,"sku":"LMCNC-ZNSE-PVD-D15-FL38.1","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D15mmFL50.8mm","offer_id":48134727762142,"sku":"LMCNC-ZNSE-PVD-D15-FL50.8","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL38.1mm","offer_id":48134727794910,"sku":"LMCNC-ZNSE-PVD-D18-FL38.1","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL50.8mm","offer_id":48134727827678,"sku":"LMCNC-ZNSE-PVD-D18-FL50.8","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL63.5mm","offer_id":48134727860446,"sku":"LMCNC-ZNSE-PVD-D18-FL63.5","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL76.2mm","offer_id":48134727893214,"sku":"LMCNC-ZNSE-PVD-D18-FL76.2","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D18mmFL101.6mm","offer_id":48134727925982,"sku":"LMCNC-ZNSE-PVD-D18-FL101.6","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL38.1mm","offer_id":48134727958750,"sku":"LMCNC-ZNSE-PVD-D19.05-FL38.1","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL50.8mm","offer_id":48134727991518,"sku":"LMCNC-ZNSE-PVD-D19.05-FL50.8","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL63.5mm","offer_id":48134728024286,"sku":"LMCNC-ZNSE-PVD-D19.05-FL63.5","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL76.2mm","offer_id":48134728057054,"sku":"LMCNC-ZNSE-PVD-D19.05-FL76.2","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mmFL101.6mm","offer_id":48134728089822,"sku":"LMCNC-ZNSE-PVD-D19.05-FL101.6","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL38.1mm","offer_id":48134728122590,"sku":"LMCNC-ZNSE-PVD-D20-FL38.1","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL50.8mm","offer_id":48134728155358,"sku":"LMCNC-ZNSE-PVD-D20-FL50.8","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL63.5mm","offer_id":48134728188126,"sku":"LMCNC-ZNSE-PVD-D20-FL63.5","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL76.2mm","offer_id":48134728220894,"sku":"LMCNC-ZNSE-PVD-D20-FL76.2","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL101.6mm","offer_id":48134728253662,"sku":"LMCNC-ZNSE-PVD-D20-FL101.6","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D20mmFL127mm","offer_id":48134728286430,"sku":"LMCNC-ZNSE-PVD-D20-FL127","price":15.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48134728319198,"sku":null,"price":15.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-domestic-pvd-znse-co2-laser-focus-lens-01.jpg?v=1776742932"},{"product_id":"genuine-ii-vi-cvd-znse-co2-laser-focus-lens-10-6um","title":"LinkMetal CNC II-VI CVD ZnSe CO2 Laser Focus Lens","description":"\u003ch2\u003eGenuine II-VI CVD ZnSe CO2 Laser Focus Lens 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% genuine II-VI original CVD ZnSe focus lens specially designed for 10.6μm CO2 laser equipment.\u003c\/strong\u003e Original factory quality with unmatched optical performance, high transmittance, high damage threshold and excellent thermal stability. Ideal for high power laser cutting and engraving operations where maximum reliability and efficiency are required.\u003c\/p\u003e\n\n\u003cp\u003eEach lens comes with II-VI original hard protective case, certificate of authenticity and factory laser marking for anti-counterfeiting verification. All products undergo strict II-VI factory quality testing to ensure the highest level of performance and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our Genuine II-VI CO2 Focus Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Genuine II-VI Original Product\u003c\/strong\u003e: Guaranteed authentic with factory laser marking on the lens edge and complete anti-counterfeiting identification. Each lens includes an original II-VI certificate of authenticity.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePremium II-VI CVD ZnSe Material\u003c\/strong\u003e: Made from genuine II-VI chemical vapor deposition zinc selenide. Features ultra-low absorption rate (\u0026lt;0.0005 cm⁻¹ @10.6μm) and excellent thermal conductivity, virtually eliminating thermal lens effect even under continuous high power operation.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eII-VI Proprietary Anti-Reflection Coating\u003c\/strong\u003e: Features II-VI's proprietary double-sided anti-reflection coating optimized for 10.6μm wavelength. Provides transmittance greater than 99.5%, minimizing energy loss and maximizing cutting efficiency.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eIndustry-Leading Damage Threshold\u003c\/strong\u003e: Exceptional laser damage threshold of \u0026gt;15 kW\/cm² @10.6μm (CW). Stable performance under continuous high power operation up to 5000W.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Optical Manufacturing\u003c\/strong\u003e: Precision polished to 40\/20 surface quality (MIL-PRF-13830B), significantly better than standard 60\/40 lenses. No scratches, no bubbles, no inclusions, ensuring perfect laser beam quality.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e14 Standard Specifications\u003c\/strong\u003e: Complete range of diameters and focal lengths available, covering all mainstream high power CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Factory Testing\u003c\/strong\u003e: Each lens undergoes rigorous II-VI factory testing including transmittance test, surface quality inspection, wavefront error measurement and dimensional accuracy verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream High Power CO2 Laser Cutting Machines (1000W-5000W)\u003c\/li\u003e\n  \u003cli\u003eIndustrial Grade CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003ePrecision CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Focus Lens Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL38.1mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL50.8mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL63.5mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL76.2mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL38.1mm\u003c\/strong\u003e: 20mm diameter, 38.1mm (1.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL50.8mm\u003c\/strong\u003e: 20mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL63.5mm\u003c\/strong\u003e: 20mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL76.2mm\u003c\/strong\u003e: 20mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL101.6mm\u003c\/strong\u003e: 20mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL50.8mm\u003c\/strong\u003e: 25mm diameter, 50.8mm (2\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL63.5mm\u003c\/strong\u003e: 25mm diameter, 63.5mm (2.5\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL76.2mm\u003c\/strong\u003e: 25mm diameter, 76.2mm (3\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL101.6mm\u003c\/strong\u003e: 25mm diameter, 101.6mm (4\") focal length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL127mm\u003c\/strong\u003e: 25mm diameter, 127mm (5\") focal length\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, focal lengths or special coatings, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions and volume discounts.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI Infrared \/ Link Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGrade\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOriginal Factory Premium Grade\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI CVD ZnSe CO2 Laser Focus Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGenuine II-VI CVD Zinc Selenide (ZnSe)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI Proprietary Double-Sided Anti-Reflection Coating\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40\/20 (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.5% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAbsorption Coefficient\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026lt;0.0005 cm⁻¹ @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWavefront Error\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026lt;λ\/2 @632.8nm per 1\" diameter\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFocal Length Tolerance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e±2%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCentration\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026lt;3 arc minutes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Damage Threshold\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;15 kW\/cm² @10.6μm (CW)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e19.05mm, 20mm, 25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e38.1mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm, 127mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e100W - 5000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Equipment\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Power CO2 Laser Cutting, Engraving Machines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Precision Cutting, Industrial Engraving, 24\/7 Production\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Genuine II-VI CVD ZnSe CO2 Laser Focus Lens (selected size)\u003c\/li\u003e\n  \u003cli\u003e1 x II-VI Original Hard Protective Case\u003c\/li\u003e\n  \u003cli\u003e1 x II-VI Original Certificate of Authenticity\u003c\/li\u003e\n  \u003cli\u003e1 x Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Dust-proof Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll II-VI focus lenses are 100% original factory products with complete anti-counterfeiting identification. Each lens undergoes strict II-VI factory quality testing including transmittance test, surface quality inspection, wavefront error measurement and dimensional accuracy verification.\u003c\/p\u003e\n\n\u003cp\u003eWe guarantee that every lens we sell is authentic and meets II-VI's highest quality standards. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How can I verify that the lens is a genuine II-VI product?\u003c\/strong\u003e\u003cbr\u003e\nA: All genuine II-VI lenses have three anti-counterfeiting features: 1) Laser marking of the II-VI logo and part number on the lens edge; 2) Original II-VI hard plastic case with printed label; 3) Original II-VI certificate of authenticity with unique serial number. You can also contact II-VI directly to verify the serial number.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between II-VI lenses and other CVD ZnSe lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: II-VI is the world's leading manufacturer of ZnSe optical materials. Their proprietary CVD process produces material with significantly lower absorption, higher thermal conductivity and better optical homogeneity than other CVD ZnSe. II-VI's proprietary AR coating also provides higher transmittance and better durability than standard coatings. These differences result in 10-15% higher cutting efficiency and 2-3 times longer service life under high power operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose II-VI lenses over other grades?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose II-VI original lenses if you have a high power laser (\u0026gt;1500W), require maximum cutting efficiency and quality, operate 24\/7 in production environments, or want the longest possible service life. For low to medium power applications or budget-conscious operations, we also offer economical PVD and standard import grade CVD lenses.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long does an II-VI focus lens last?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions with proper maintenance, an II-VI focus lens should last 6-12 months. This is 2-3 times longer than standard CVD lenses. Service life can be extended by using proper air filtration, regular cleaning and avoiding cutting oily or reflective materials.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use II-VI lenses in any CO2 laser machine?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, II-VI lenses are manufactured to standard dimensions and are compatible with all mainstream CO2 laser machine brands. They are a direct drop-in replacement for original lenses and require no additional debugging or modification.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/cvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eStandard Import Grade CVD ZnSe Lenses\u003c\/a\u003e and \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/economical-pvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eEconomical PVD ZnSe Lenses\u003c\/a\u003e for different budget and power requirements.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 protective lenses, mirrors, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D19.05mm FL38.1mm","offer_id":48134798835934,"sku":"LMCNC-ZNSE-IIVI-D19.05-FL38.1","price":25.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mm FL50.8mm","offer_id":48134798868702,"sku":"LMCNC-ZNSE-IIVI-D19.05-FL50.8","price":25.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mm FL63.5mm","offer_id":48134798901470,"sku":"LMCNC-ZNSE-IIVI-D19.05-FL63.5","price":25.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mm FL76.2mm","offer_id":48134798934238,"sku":"LMCNC-ZNSE-IIVI-D19.05-FL76.2","price":25.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL38.1mm","offer_id":48134798967006,"sku":"LMCNC-ZNSE-IIVI-D20-FL38.1","price":29.0,"currency_code":"USD","in_stock":true},{"title":"D20mm FL50.8mm","offer_id":48134798999774,"sku":"LMCNC-ZNSE-IIVI-D20-FL50.8","price":29.0,"currency_code":"USD","in_stock":true},{"title":"D20mm FL63.5mm","offer_id":48134799032542,"sku":"LMCNC-ZNSE-IIVI-D20-FL63.5","price":29.0,"currency_code":"USD","in_stock":true},{"title":"D20mm FL76.2mm","offer_id":48134799065310,"sku":"LMCNC-ZNSE-IIVI-D20-FL76.2","price":29.0,"currency_code":"USD","in_stock":true},{"title":"D20mm FL101.6mm","offer_id":48134799098078,"sku":"LMCNC-ZNSE-IIVI-D20-FL101.6","price":29.0,"currency_code":"USD","in_stock":true},{"title":"D25mm FL50.8mm","offer_id":48134799130846,"sku":"LMCNC-ZNSE-IIVI-D25-FL50.8","price":87.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL63.5mm","offer_id":48134799163614,"sku":"LMCNC-ZNSE-IIVI-D25-FL63.5","price":87.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL76.2mm","offer_id":48134799196382,"sku":"LMCNC-ZNSE-IIVI-D25-FL76.2","price":87.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL101.6mm","offer_id":48134799229150,"sku":"LMCNC-ZNSE-IIVI-D25-FL101.6","price":87.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL127mm","offer_id":48134799261918,"sku":"LMCNC-ZNSE-IIVI-D25-FL127","price":87.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48134799294686,"sku":null,"price":87.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-ii-vi-cvd-znse-co2-laser-focus-lens-10_9799ed05-3023-4ab7-ac7c-3a6d7d343dec.jpg?v=1776756750"},{"product_id":"gaas-co2-laser-focus-lens-10-6um","title":"LinkMetal CNC High Hardness GaAs CO2 Laser Focus Lens","description":"\u003ch2\u003eGaAs CO2 Laser Focus Lens 10.6μm | Gallium Arsenide\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh quality GaAs (Gallium Arsenide) focus lens specially designed for 10.6μm CO2 laser equipment.\u003c\/strong\u003e Features high hardness, excellent scratch resistance and good thermal stability. It is a cost-effective alternative to ZnSe lenses, ideal for daily laser cutting and engraving operations where durability and value are priorities.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 15 standard specifications, fully compatible with all mainstream CO2 laser cutting, engraving and marking machines. All lenses are manufactured with strict quality control to ensure reliable performance for general industrial applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our GaAs CO2 Focus Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3x Harder Than ZnSe\u003c\/strong\u003e: Made from premium gallium arsenide material with Mohs hardness 4.5, 3 times harder than ZnSe (Mohs hardness 2.5). Provides excellent scratch resistance and durability, significantly extending service life in dusty environments.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eGood Optical Performance\u003c\/strong\u003e: Features anti-reflection coating optimized for 10.6μm wavelength. Delivers stable transmittance and consistent optical performance for most general laser applications.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Temperature Resistance\u003c\/strong\u003e: Excellent thermal stability and high temperature resistance. Not easy to deform under continuous operation, making it ideal for long production runs.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eExceptional Value for Money\u003c\/strong\u003e: Significantly lower price than ZnSe lenses, greatly reducing your equipment operating and maintenance costs without compromising basic performance.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e15 Standard Specifications\u003c\/strong\u003e: Complete range of diameters and focal lengths available, covering all mainstream CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Standard dimensions ensure perfect fit with all original and compatible CO2 laser cutting heads. Easy to install and replace with no additional debugging required.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eReliable Quality Assurance\u003c\/strong\u003e: All lenses undergo strict dimensional inspection and optical performance testing before delivery, ensuring consistent performance and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO2 Laser Cutting Machines (10W-1000W)\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Focus Lens Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD12mm FL50.8mm (Ge)\u003c\/strong\u003e: 12mm diameter, 50.8mm (2\") focal length, Germanium material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL50.8mm\u003c\/strong\u003e: 18mm diameter, 50.8mm (2\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL63.5mm\u003c\/strong\u003e: 18mm diameter, 63.5mm (2.5\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm FL76.2mm\u003c\/strong\u003e: 18mm diameter, 76.2mm (3\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL50.8mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 50.8mm (2\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm FL63.5mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 63.5mm (2.5\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL38.1mm\u003c\/strong\u003e: 20mm diameter, 38.1mm (1.5\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL50.8mm\u003c\/strong\u003e: 20mm diameter, 50.8mm (2\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL63.5mm\u003c\/strong\u003e: 20mm diameter, 63.5mm (2.5\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL76.2mm\u003c\/strong\u003e: 20mm diameter, 76.2mm (3\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm FL101.6mm\u003c\/strong\u003e: 20mm diameter, 101.6mm (4\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL50.8mm\u003c\/strong\u003e: 25mm diameter, 50.8mm (2\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL63.5mm\u003c\/strong\u003e: 25mm diameter, 63.5mm (2.5\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL76.2mm\u003c\/strong\u003e: 25mm diameter, 76.2mm (3\") focal length, GaAs material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm FL101.6mm\u003c\/strong\u003e: 25mm diameter, 101.6mm (4\") focal length, GaAs material\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, focal lengths or special requirements, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eGaAs (Gallium Arsenide)\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eGe (Germanium)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eCO2 Laser Focus Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGallium Arsenide (GaAs)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGermanium (Ge)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eDouble-Sided Anti-Reflection Coating @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003e60\/40 (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥98% @10.6μm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥96% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMohs Hardness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e4.5\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e6.0\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e18mm, 19.05mm, 20mm, 25mm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e38.1mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e50.8mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 1000W\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 500W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Equipment\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eCO2 Laser Cutting, Engraving, Marking Machines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eGeneral Laser Cutting, Laser Engraving, Daily Maintenance\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Link Metal CNC GaAs\/Ge CO2 Laser Focus Lens\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Dust-proof Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll GaAs and Ge focus lenses from Link Metal CNC undergo strict dimensional inspection and optical performance testing before delivery. We ensure each lens provides stable performance and excellent value for money for general industrial applications.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure consistent and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between GaAs and ZnSe lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: GaAs (Gallium Arsenide) is 3 times harder than ZnSe, making it much more scratch resistant and durable in dusty environments. GaAs lenses are also significantly cheaper than ZnSe lenses. However, ZnSe has higher transmittance (\u0026gt;99% vs \u0026gt;98% for GaAs) and better thermal conductivity, making it more suitable for high power applications (\u0026gt;1000W).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose GaAs lenses over ZnSe lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose GaAs lenses if you have a low to medium power laser (≤1000W), perform general cutting and engraving tasks, operate in dusty environments, or are looking to significantly reduce your maintenance costs. Choose ZnSe lenses if you have a high-power laser (\u0026gt;1000W) or require maximum cutting efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between GaAs and Ge lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: Ge (Germanium) is even harder than GaAs (Mohs 6.0 vs 4.5) but has lower transmittance (≥96% vs ≥98%). Ge lenses are only available in small sizes and are suitable for very low power applications (\u0026lt;500W) where extreme scratch resistance is required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long does a GaAs focus lens last?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a GaAs focus lens should last 3-5 months. This is longer than PVD ZnSe lenses due to its superior scratch resistance. Service life can be extended by using proper air filtration and regular cleaning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use GaAs lenses in any CO2 laser machine?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, GaAs lenses are manufactured to standard dimensions and are compatible with all mainstream CO2 laser machine brands. They are a direct drop-in replacement for original ZnSe lenses and require no additional debugging or modification.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/economical-pvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eEconomical PVD ZnSe Lenses\u003c\/a\u003e, \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/cvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eStandard CVD ZnSe Lenses\u003c\/a\u003e and \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/genuine-ii-vi-cvd-znse-co2-laser-focus-lens-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eGenuine II-VI Lenses\u003c\/a\u003e for different power and budget requirements.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 protective lenses, mirrors, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D12mm FL50.8mm （Germanium  For Engraving Machine )","offer_id":48134863782110,"sku":"LMCNC-GAAS-D12-FL50.8-GE","price":13.9,"currency_code":"USD","in_stock":true},{"title":"D18mm FL50.8mm","offer_id":48134863814878,"sku":"LMCNC-GAAS-D18-FL50.8","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D18mm FL63.5mm","offer_id":48134863847646,"sku":"LMCNC-GAAS-D18-FL63.5","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D18mm FL76.2mm","offer_id":48134863880414,"sku":"LMCNC-GAAS-D18-FL76.2","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mm FL50.8mm","offer_id":48134863913182,"sku":"LMCNC-GAAS-D19.05-FL50.8","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D19.05mm FL63.5mm","offer_id":48134863945950,"sku":"LMCNC-GAAS-D19.05-FL63.5","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL38.1mm","offer_id":48134863978718,"sku":"LMCNC-GAAS-D20-FL38.1","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL50.8mm","offer_id":48134864011486,"sku":"LMCNC-GAAS-D20-FL50.8","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL63.5mm","offer_id":48134864044254,"sku":"LMCNC-GAAS-D20-FL63.5","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL76.2mm","offer_id":48134864077022,"sku":"LMCNC-GAAS-D20-FL76.2","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D20mm FL101.6mm","offer_id":48134864109790,"sku":"LMCNC-GAAS-D20-FL101.6","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL50.8mm","offer_id":48134864142558,"sku":"LMCNC-GAAS-D25-FL50.8","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL63.5mm","offer_id":48134864175326,"sku":"LMCNC-GAAS-D25-FL63.5","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL76.2mm","offer_id":48134864208094,"sku":"LMCNC-GAAS-D25-FL76.2","price":75.9,"currency_code":"USD","in_stock":true},{"title":"D25mm FL101.6mm","offer_id":48134864240862,"sku":"LMCNC-GAAS-D25-FL101.6","price":75.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48134867419358,"sku":null,"price":13.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-gaas-co2-laser-focus-lens-06.jpg?v=1776751634"},{"product_id":"co2-laser-silicon-reflective-mirror-10-6um","title":"LinkMetal CNC High Reflectivity CO2 Laser Silicon Reflective Mirror","description":"\u003ch2\u003eHigh Reflectivity CO2 Laser Silicon Reflective Mirror 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndustrial grade high reflectivity silicon reflective mirror, the most efficient choice for CO2 laser systems.\u003c\/strong\u003e Features \u0026gt;99.5% reflectivity at 10.6μm, 1.5% higher than traditional molybdenum mirrors. Significantly reduces laser energy loss, improves cutting speed and quality, and extends the service life of your laser machine.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 5 standard specifications, fully compatible with all mainstream 40-300W CO2 laser cutting, engraving and marking machines. All mirrors undergo 100% reflectivity testing before delivery to ensure maximum performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Silicon Mirrors Over Molybdenum Mirrors\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #f0f9ff; border: 1px solid #bae6fd; border-radius: 4px; padding: 15px; margin: 20px 0;\"\u003e\n  \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ \u0026gt;99.5% reflectivity @10.6μm\u003c\/strong\u003e, 1.5% higher than molybdenum mirrors\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Reduce laser energy loss by up to 50%\u003c\/strong\u003e, improve cutting speed and quality\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Excellent thermal conductivity\u003c\/strong\u003e, fast heat dissipation, no thermal deformation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Enhanced multi-layer gold coating\u003c\/strong\u003e, anti-oxidation, long service life\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Lightweight design\u003c\/strong\u003e, easy to install and adjust\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Perfect for 40-300W CO2 lasers\u003c\/strong\u003e, ideal for cutting and engraving\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Advantages of Our Silicon Laser Mirrors\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry-Leading Reflectivity\u003c\/strong\u003e: \u0026gt;99.5% reflectivity at 10.6μm (45° angle of incidence). Delivers more laser power to the workpiece, resulting in faster cutting speeds and cleaner cuts.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Purity Monocrystalline Silicon Substrate\u003c\/strong\u003e: Made from premium high-purity monocrystalline silicon with excellent thermal conductivity. Fast heat dissipation prevents thermal deformation even under continuous operation.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Multi-Layer Gold Coating\u003c\/strong\u003e: Features enhanced multi-layer gold coating with superior adhesion and anti-oxidation properties. Provides long-lasting stable reflectivity and extended service life.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Optical Manufacturing\u003c\/strong\u003e: Precision polished to 40\/20 surface quality with λ\/4 surface flatness. Ensures perfect laser beam quality and consistent cutting results.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e5 Standard Specifications\u003c\/strong\u003e: Complete range of diameters available, covering all mainstream 40-300W CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Standard dimensions ensure perfect fit with all original and compatible CO2 laser mirror mounts. Easy to install and replace with no additional debugging required.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e100% Quality Guaranteed\u003c\/strong\u003e: All mirrors undergo 100% reflectivity testing and surface inspection before delivery. We guarantee \u0026gt;99.5% reflectivity or your money back.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO2 Laser Cutting Machines (40W-300W)\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO2 Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Silicon Mirror Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm T3mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm T3mm\u003c\/strong\u003e: 20mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm T3mm\u003c\/strong\u003e: 25mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30mm T3mm\u003c\/strong\u003e: 30mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38.1mm T5mm\u003c\/strong\u003e: 38.1mm (1.5\") diameter, 5mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, thicknesses or special coatings, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSilicon Mirror (Gold Coated)\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eMolybdenum Mirror (Comparison)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eCO2 Laser Reflective Mirror\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSubstrate Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Purity Monocrystalline Silicon\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMolybdenum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eEnhanced Multi-Layer Gold Coating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBare Molybdenum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eReflectivity @10.6μm (45°)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.5%\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≈98%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40\/20 (MIL-PRF-13830B)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/2 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eThermal Conductivity\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e148 W\/m·K\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e138 W\/m·K\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e19.05mm, 20mm, 25mm, 30mm, 38.1mm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSame\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40W - 300W (CW)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40W - 200W (CW)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAverage Service Life\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e6-12 months\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e3-6 months\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFunction\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eTotal Reflection, Beam Bending, Path Changing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Link Metal CNC High Reflectivity CO2 Laser Silicon Mirror\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll high reflectivity silicon mirrors from Link Metal CNC undergo 100% reflectivity testing and surface inspection before delivery. We guarantee \u0026gt;99.5% reflectivity at 10.6μm or your money back.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure consistent and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How much faster will my laser cut with silicon mirrors?\u003c\/strong\u003e\u003cbr\u003e\nA: Silicon mirrors have 1.5% higher reflectivity than molybdenum mirrors. For a typical 3-mirror laser system, this reduces total energy loss by up to 50%, resulting in 10-20% faster cutting speeds and cleaner cut edges. You will also notice improved engraving quality and deeper engravings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace my molybdenum mirrors with silicon mirrors directly?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, our silicon mirrors are manufactured to the same dimensional specifications as standard molybdenum mirrors. They are a direct drop-in replacement and require no additional debugging or modification to your laser machine.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long do silicon mirrors last?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions with proper maintenance, a silicon mirror should last 6-12 months. This is 2 times longer than standard molybdenum mirrors. Service life can be extended by using proper air filtration and regular cleaning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean the silicon mirror correctly?\u003c\/strong\u003e\u003cbr\u003e\nA: Always wear clean gloves when handling optical mirrors. Use a blower ball first to remove loose dust. Then fold a lint-free microfiber cloth into a small square, apply a small amount of lens cleaning fluid, and gently wipe the mirror surface in a single direction. Never use regular paper towels or tissues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can silicon mirrors be used for high power lasers above 300W?\u003c\/strong\u003e\u003cbr\u003e\nA: Our standard silicon mirrors are designed for lasers up to 300W. For higher power applications (\u0026gt;300W), we recommend using copper mirrors. Please contact our sales team for more information about high power mirror options.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 focus lenses, protective lenses, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D19.05T3mm","offer_id":48134904742110,"sku":"LMCNC-MIRROR-SI-D19.05-T3","price":6.33,"currency_code":"USD","in_stock":true},{"title":"D20T3mm","offer_id":48134904774878,"sku":"LMCNC-MIRROR-SI-D20-T3","price":6.33,"currency_code":"USD","in_stock":true},{"title":"D25T3mm","offer_id":48134904807646,"sku":"LMCNC-MIRROR-SI-D25-T3","price":8.22,"currency_code":"USD","in_stock":true},{"title":"D30T3mm","offer_id":48134904840414,"sku":"LMCNC-MIRROR-SI-D30-T3","price":9.4,"currency_code":"USD","in_stock":true},{"title":"D38.1T5mm","offer_id":48134904873182,"sku":"LMCNC-MIRROR-SI-D38.1-T5","price":95.8,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48135410548958,"sku":null,"price":6.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-co2-laser-silicon-reflective-mirror-07_6d842c58-bc41-4adf-9ea2-e2103e235121.jpg?v=1776756094"},{"product_id":"uncoated-molybdenum-co2-laser-reflective-mirror-10-6um","title":"LinkMetal CNC Molybdenum CO2 Laser Reflective Mirror","description":"\u003ch2\u003eUncoated Molybdenum CO2 Laser Reflective Mirror 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndustrial grade uncoated molybdenum reflective mirror, the most durable choice for 40-100W desktop CO2 lasers.\u003c\/strong\u003e Features extremely scratch resistant surface, never peels or flakes, and can be repolished multiple times. Perfect for high dust working environments and beginners, providing reliable performance with minimal maintenance.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 5 standard specifications, fully compatible with all mainstream desktop CO2 laser cutting, engraving and marking machines. All mirrors undergo 100% reflectivity testing and surface inspection before delivery.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Uncoated Molybdenum Mirrors\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #f0f9ff; border: 1px solid #bae6fd; border-radius: 4px; padding: 15px; margin: 20px 0;\"\u003e\n  \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ No coating required\u003c\/strong\u003e, never peel or flake, 2x more durable than coated silicon mirrors\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Extremely hard surface\u003c\/strong\u003e, scratch resistant, can be wiped repeatedly without damage\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Easy to repolish if oxidized\u003c\/strong\u003e, extend service life by 3x\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Stable \u0026gt;98% reflectivity\u003c\/strong\u003e for 40-100W laser operations\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Perfect for wood, acrylic, fabric\u003c\/strong\u003e and other non-metal processing\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e✅ Ideal for beginners\u003c\/strong\u003e and high dust working environments\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Advantages of Our Molybdenum Laser Mirrors\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e99.95% High Purity Molybdenum Substrate\u003c\/strong\u003e: Made from premium 99.95% high purity molybdenum with excellent thermal stability and mechanical strength. Provides consistent performance even in harsh industrial environments.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eNo Coating - Never Peels or Flakes\u003c\/strong\u003e: Uncoated precision polished surface eliminates the risk of coating peeling or flaking, a common problem with coated mirrors. Ensures long-term stable reflectivity.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eExtremely Scratch Resistant\u003c\/strong\u003e: Molybdenum has a Mohs hardness of 5.5, making it much harder than silicon and gold coatings. Can be wiped repeatedly without damage, ideal for high dust environments.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eRepolishable Design\u003c\/strong\u003e: If the surface becomes oxidized or slightly scratched, it can be easily repolished to restore original reflectivity, extending service life by up to 3 times.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eStable \u0026gt;98% Reflectivity\u003c\/strong\u003e: Provides stable \u0026gt;98% reflectivity at 10.6μm (45° angle of incidence), perfect for all 40-100W CO2 laser applications.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e5 Standard Specifications\u003c\/strong\u003e: Complete range of diameters available, covering all mainstream desktop CO2 laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Standard dimensions ensure perfect fit with all original and compatible CO2 laser mirror mounts. Easy to install and replace with no additional debugging required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream Desktop CO2 Laser Cutting Machines (40W-100W)\u003c\/li\u003e\n  \u003cli\u003eAll Entry-Level CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll Hobbyist CO2 Laser Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Molybdenum Mirror Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19.05mm T3mm\u003c\/strong\u003e: 19.05mm (3\/4\") diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm T3mm\u003c\/strong\u003e: 20mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm T3mm\u003c\/strong\u003e: 25mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30mm T3mm\u003c\/strong\u003e: 30mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38.1mm T5mm\u003c\/strong\u003e: 38.1mm (1.5\") diameter, 5mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, thicknesses or special requirements, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eUncoated Molybdenum Mirror\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eGold Coated Silicon Mirror (Comparison)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eCO2 Laser Reflective Mirror\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSubstrate Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e99.95% High Purity Molybdenum (Mo)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMonocrystalline Silicon\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eUncoated (Precision Polished)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eEnhanced Multi-Layer Gold Coating\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eReflectivity @10.6μm (45°)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;98%\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.5%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMohs Hardness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e5.5\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e2.5 (Gold Coating)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 (MIL-PRF-13830B)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40\/20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e19.05mm, 20mm, 25mm, 30mm, 38.1mm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSame\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40W - 100W (CW)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40W - 300W (CW)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAverage Service Life\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12-24 months (repolishable)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e6-12 months\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBest For\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBeginners, high dust environments, hobbyists\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduction, high speed cutting, high power\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFunction\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003eTotal Reflection, Beam Bending, Path Changing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Link Metal CNC Uncoated Molybdenum CO2 Laser Mirror\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll uncoated molybdenum mirrors from Link Metal CNC undergo 100% reflectivity testing and surface inspection before delivery. We ensure each mirror provides extremely durable and stable performance for all your laser applications.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure consistent and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why don't molybdenum mirrors need a coating?\u003c\/strong\u003e\u003cbr\u003e\nA: Molybdenum has natural high reflectivity at 10.6μm wavelength. Unlike silicon, which requires a gold coating to achieve high reflectivity, molybdenum can be used directly after precision polishing. This eliminates the risk of coating peeling or flaking, a common failure mode for coated mirrors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I repolish a molybdenum mirror?\u003c\/strong\u003e\u003cbr\u003e\nA: If the mirror surface becomes oxidized or slightly scratched, you can repolish it using a fine diamond polishing compound (3-5 micron) and a soft microfiber cloth. Gently polish in a circular motion until the surface is shiny again, then clean with lens cleaning fluid. This can restore the mirror to almost new condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose molybdenum mirrors over silicon mirrors?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose molybdenum mirrors if you have a 40-100W desktop laser, are a beginner, operate in a high dust environment, or want the most durable and low-maintenance option. Choose silicon mirrors if you have a higher power laser (\u0026gt;100W), require maximum cutting speed, or operate in a production environment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long does a molybdenum mirror last?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, an uncoated molybdenum mirror should last 12-24 months. With proper maintenance and occasional repolishing, it can last up to 3 years or more, which is 2-3 times longer than coated silicon mirrors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use molybdenum mirrors for cutting metal?\u003c\/strong\u003e\u003cbr\u003e\nA: Molybdenum mirrors are not recommended for metal cutting applications. Metal cutting produces a lot of sparks and debris that can damage the mirror surface. For metal cutting, we recommend using gold coated silicon mirrors.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/co2-laser-silicon-reflective-mirror-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eHigh Reflectivity Gold Coated Silicon Mirrors\u003c\/a\u003e for higher power and production applications.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO2 focus lenses, protective lenses, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D19.05T3mm","offer_id":48135066681566,"sku":"LMCNC-MIRROR-MO-D19.05-T3","price":5.2,"currency_code":"USD","in_stock":true},{"title":"D20T3mm","offer_id":48135066714334,"sku":"LMCNC-MIRROR-MO-D20-T3","price":5.4,"currency_code":"USD","in_stock":true},{"title":"D25T3mm","offer_id":48135066747102,"sku":"LMCNC-MIRROR-MO-D25-T3","price":6.85,"currency_code":"USD","in_stock":true},{"title":"D30T3mm","offer_id":48135066779870,"sku":"LMCNC-MIRROR-MO-D30-T3","price":10.63,"currency_code":"USD","in_stock":true},{"title":"D38.1T5mm","offer_id":48135066812638,"sku":"LMCNC-MIRROR-MO-D38.1-T5","price":21.27,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48135409467614,"sku":null,"price":5.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-molybdenum-reflective-mirror-12.jpg?v=1776758948"},{"product_id":"high-power-dielectric-coated-silicon-laser-mirror-10-6um","title":"LinkMetal CNC High Power Silicon Reflective Mirror with Dielectric Coating","description":"\u003ch2\u003eHigh Power Dielectric Coated Silicon CO2 Laser Reflective Mirror 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndustrial grade high power silicon reflective mirror featured with professional multi-layer dielectric coating\u003c\/strong\u003e, engineered exclusively for 10.6μm CO2 laser systems. It delivers ultra-high reflectivity, extremely low energy loss and superior laser damage threshold, perfectly suited for 60-300W industrial CO2 laser metal cutting and heavy-duty processing.\u003c\/p\u003e\n\n\u003cp\u003e7 standard dimensions fully fit mainstream high-power CO2 laser machines. Every mirror passes strict reflectivity test, surface inspection and high-power simulation test before shipment to guarantee reliable long-term operation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Purity Monocrystalline Silicon Substrate\u003c\/strong\u003e: Outstanding thermal conductivity, fast heat dissipation to avoid heat accumulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-layer Dielectric Coating\u003c\/strong\u003e: Achieves \u0026gt;99.8% reflectivity @10.6μm at 45° AOI, minimizes laser energy loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Laser Damage Threshold\u003c\/strong\u003e: Maintains stable performance under continuous high-power working status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Thermal Stability\u003c\/strong\u003e: Resists thermal deformation even during long-hour non-stop production.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7 Standard Sizes\u003c\/strong\u003e: Covers all mainstream high power CO2 laser machine models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit\u003c\/strong\u003e: Standard dimension design, easy to install, replace and adjust without extra debugging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh Power Industrial CO2 Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eCO2 Laser Metal Cutting Equipment\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty CO2 Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO2 Laser Processing Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Mirror Sizes\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19mm T3mm\u003c\/strong\u003e : 19mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm T3mm\u003c\/strong\u003e : 20mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm T3mm\u003c\/strong\u003e : 25mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30mm T3mm\u003c\/strong\u003e : 30mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38mm T5mm\u003c\/strong\u003e : 38mm diameter, 5mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD40mm T3mm\u003c\/strong\u003e : 40mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD50mm T5mm\u003c\/strong\u003e : 50mm diameter, 5mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For customized sizes or special coating requirements, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e for support.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Parameters\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLinkMetal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDielectric Coated Silicon CO2 Laser Mirror\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSubstrate\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Purity Monocrystalline Silicon (Si)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMulti-layer Dielectric Coating @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO2 Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eReflectivity\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.8% @10.6μm, 45° AOI\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40\/20 (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60W ~ 300W Continuous Wave\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFunction\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Beam Reflection \u0026amp; Path Changing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Dielectric Coated Silicon Reflective Mirror\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll dielectric coated silicon mirrors are fully tested for reflectivity, surface quality and high-power durability before delivery. Excellent stability under extreme working conditions. We provide professional pre-sales consultation and reliable after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between dielectric coating and gold coating?\u003c\/strong\u003e\u003cbr\u003e\nA: Dielectric coating achieves higher reflectivity over 99.8%, lower energy loss and higher laser damage threshold. It is more suitable for high-power metal cutting, while gold-coated silicon mirrors are for general cutting \u0026amp; engraving.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can this mirror replace molybdenum mirror directly?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, standard overall dimensions, direct drop-in replacement, no machine adjustment needed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What application scenarios are recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Ideal for industrial CO2 laser metal cutting, long-time continuous production and high-efficiency processing requirements.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Related products: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/co2-laser-silicon-reflective-mirror-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eGold Coated Silicon Mirrors\u003c\/a\u003e | \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/uncoated-molybdenum-co2-laser-reflective-mirror-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eUncoated Molybdenum Mirrors\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Explore full \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eLaser Cutting Accessories\u003c\/a\u003e including focus lenses, protective lenses and nozzles.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D19T3mm","offer_id":48135094960350,"sku":"LMCNC-MIRROR-SI-DIE-D19-T3","price":10.9,"currency_code":"USD","in_stock":true},{"title":"D20T3mm","offer_id":48135094993118,"sku":"LMCNC-MIRROR-SI-DIE-D20-T3","price":10.9,"currency_code":"USD","in_stock":true},{"title":"D25T3mm","offer_id":48135095025886,"sku":"LMCNC-MIRROR-SI-DIE-D25-T3","price":13.9,"currency_code":"USD","in_stock":true},{"title":"D30T3mm","offer_id":48135095058654,"sku":"LMCNC-MIRROR-SI-DIE-D30-T3","price":14.9,"currency_code":"USD","in_stock":true},{"title":"D38T5mm","offer_id":48135095091422,"sku":"LMCNC-MIRROR-SI-DIE-D38-T5","price":32.9,"currency_code":"USD","in_stock":true},{"title":"D40T3mm","offer_id":48135095124190,"sku":"LMCNC-MIRROR-SI-DIE-D40-T3","price":40.9,"currency_code":"USD","in_stock":true},{"title":"D50T5mm","offer_id":48135095156958,"sku":"LMCNC-MIRROR-SI-DIE-D50-T5","price":55.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48135406518494,"sku":null,"price":10.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-dielectric-silicon-mirror-11.jpg?v=1776760966"},{"product_id":"ii-vi-dielectric-coated-silicon-laser-mirror-10-6um","title":"LinkMetal CNC II-VI  Coated Silicon Reflective Mirror","description":"\u003ch2\u003eGenuine II-VI Dielectric Coated Silicon CO₂ Laser Reflective Mirror 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% genuine II-VI dielectric coated silicon reflective mirror specially designed for 10.6μm CO₂ laser equipment.\u003c\/strong\u003e Features industry-leading ultra-high reflectivity, superior laser damage threshold and excellent thermal stability. Ideal for 60-300W industrial CO₂ laser metal cutting operations, delivering unmatched performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eEach mirror is sourced directly from II-VI Infrared factory and comes with original hard protective case, certificate of authenticity and factory laser marking for anti-counterfeiting verification. All products undergo strict II-VI factory quality testing to ensure the highest level of performance.\u003c\/p\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/ii-vi-dielectric-silicon-mirror-specs.jpg?v=1776676533\" alt=\"II-VI Dielectric Coated Silicon Mirror Specifications\" style=\"width:100%; max-width:800px; margin:20px auto; display:block; border-radius:4px;\"\u003e\n\n\u003ch3\u003eKey Advantages of Genuine II-VI Dielectric Mirrors\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Genuine II-VI Original Product\u003c\/strong\u003e: Guaranteed authentic with unique factory laser marking on the mirror edge and complete anti-counterfeiting identification. Each mirror includes an original II-VI certificate of authenticity.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Purity Monocrystalline Silicon Substrate\u003c\/strong\u003e: Made from premium II-VI grade high purity monocrystalline silicon with excellent thermal conductivity. Fast heat dissipation prevents thermal deformation even under continuous high power operation.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eII-VI Proprietary Dielectric Coating\u003c\/strong\u003e: Features II-VI's proprietary multi-layer dielectric coating technology. Provides \u0026gt;99.8% reflectivity at 10.6μm (45° AOI) with superior adhesion and durability.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eIndustry-Leading Laser Damage Threshold\u003c\/strong\u003e: Exceptional laser damage threshold of \u0026gt;20 kW\/cm² @10.6μm (CW). Stable performance under 60-300W continuous wave operation, perfect for metal cutting.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eSuperior Surface Quality\u003c\/strong\u003e: Precision polished to 10-5 scratch-dig surface quality (MIL-PRF-13830B), ensuring perfect laser beam quality and consistent cutting results.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e4 Standard Specifications\u003c\/strong\u003e: Complete range of diameters available, covering all mainstream industrial CO₂ laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Factory Testing\u003c\/strong\u003e: Each mirror undergoes rigorous II-VI factory testing including reflectivity test, surface quality inspection, flatness measurement and parallelism verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream Industrial CO₂ Laser Cutting Machines (60W-300W)\u003c\/li\u003e\n  \u003cli\u003eCO₂ Laser Metal Cutting Equipment\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty CO₂ Laser Processing Systems\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO₂ Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable II-VI Mirror Specifications\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm T3mm\u003c\/strong\u003e: 20mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm T3mm\u003c\/strong\u003e: 25mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30mm T3mm\u003c\/strong\u003e: 30mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38.1mm T5mm\u003c\/strong\u003e: 38.1mm (1.5\") diameter, 5mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For custom diameters, thicknesses or special coatings, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions and volume discounts.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eGenuine II-VI Dielectric Mirror\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eStandard Gold Coated Mirror (Comparison)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI Infrared \/ Link Metal CNC\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGeneric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDielectric Coated Silicon CO₂ Laser Mirror\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eGold Coated Silicon CO₂ Laser Mirror\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSubstrate Material\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI Grade High Purity Monocrystalline Silicon\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eStandard Monocrystalline Silicon\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eII-VI Proprietary Multi-Layer Dielectric Coating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eStandard Gold Coating\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\" colspan=\"2\"\u003e10.6μm (CO₂ Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eReflectivity @10.6μm (45°)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.8%\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99.0%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Damage Threshold\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;20 kW\/cm² @10.6μm (CW)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;15 kW\/cm² @10.6μm (CW)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10-5 (MIL-PRF-13830B)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e40\/20 (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eParallelism\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≤3 Arc Minutes\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≤10 Arc Minutes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60W - 300W (CW)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60W - 200W (CW)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAverage Service Life\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12-18 months\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e6-12 months\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePrimary Applications\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMetal Cutting, Heavy-duty Industrial Processing\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eNon-Metal Cutting \u0026amp; Engraving\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Genuine II-VI Dielectric Coated Silicon Reflective Mirror (selected size)\u003c\/li\u003e\n  \u003cli\u003e1 x II-VI Original Hard Protective Case\u003c\/li\u003e\n  \u003cli\u003e1 x II-VI Original Certificate of Authenticity\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAuthenticity Guarantee\u003c\/h3\u003e\n\u003cp\u003eAll II-VI dielectric mirrors are sourced directly from II-VI Infrared factory. Each mirror has a unique laser marking on the edge with the II-VI logo, part number and batch code. We guarantee 100% genuine products or your money back.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict quality control standards to ensure every product we sell meets II-VI's highest quality requirements. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between dielectric coating and gold coating?\u003c\/strong\u003e\u003cbr\u003e\nA: Dielectric coating achieves higher reflectivity (\u0026gt;99.8% vs \u0026gt;99.0%), lower energy loss and significantly higher laser damage threshold. It is specifically designed for high-power metal cutting applications where maximum performance and durability are required. Gold coating is more suitable for general non-metal cutting and engraving.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How can I verify that the mirror is a genuine II-VI product?\u003c\/strong\u003e\u003cbr\u003e\nA: All genuine II-VI mirrors have three anti-counterfeiting features: 1) Laser marking of the II-VI logo, part number and batch code on the mirror edge; 2) Original II-VI hard plastic case with printed label; 3) Original II-VI certificate of authenticity with unique serial number. You can also contact II-VI directly to verify the serial number.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When should I choose II-VI dielectric mirrors over other grades?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose II-VI original dielectric mirrors if you have a 60-300W industrial laser, perform metal cutting operations, require maximum cutting speed and quality, or operate 24\/7 in production environments. For non-metal processing, we also offer standard gold coated silicon mirrors and uncoated molybdenum mirrors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How long does an II-VI dielectric mirror last?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions with proper maintenance, an II-VI dielectric mirror should last 12-18 months. This is 1.5-2 times longer than standard gold coated silicon mirrors. Service life can be extended by using proper air filtration and regular cleaning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can dielectric mirrors be used for non-metal cutting?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, dielectric mirrors can be used for non-metal cutting and will provide better performance than gold coated mirrors. However, they are more expensive, so gold coated mirrors are usually more cost-effective for non-metal only applications.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/co2-laser-silicon-reflective-mirror-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eStandard Gold Coated Silicon Mirrors\u003c\/a\u003e for non-metal processing and \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/uncoated-molybdenum-co2-laser-reflective-mirror-10-6um\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eUncoated Molybdenum Mirrors\u003c\/a\u003e for desktop lasers.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO₂ focus lenses, protective windows, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D20T3mm","offer_id":48135285178590,"sku":"LMCNC-MIRROR-IIVI-D20-T3","price":12.9,"currency_code":"USD","in_stock":true},{"title":"D25T3mm","offer_id":48135285211358,"sku":"LMCNC-MIRROR-IIVI-D25-T3","price":15.9,"currency_code":"USD","in_stock":true},{"title":"D30T3mm","offer_id":48135285244126,"sku":"LMCNC-MIRROR-IIVI-D30-T3","price":16.9,"currency_code":"USD","in_stock":true},{"title":"D38.1T5mm","offer_id":48135285276894,"sku":"LMCNC-MIRROR-IIVI-D38.1-T5","price":31.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48135408845022,"sku":null,"price":12.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-ii-vi-silicon-mirror-10.jpg?v=1776774118"},{"product_id":"linkmetal-cnc-cvd-znse-co2-laser-protective-window","title":"LinkMetal CNC CVD ZnSe CO₂ Laser Protective Windows","description":"\u003ch2\u003eCVD ZnSe CO₂ Laser Protective Window 10.6μm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional optical grade CVD ZnSe protective window designed exclusively for 10.6μm CO₂ laser systems.\u003c\/strong\u003e Precision manufactured plano-parallel window with double-sided hard anti-reflection coating. Provides a reliable barrier against dust, fumes, splashes and airborne contaminants, preserving laser beam quality and significantly extending the service life of expensive internal optical components.\u003c\/p\u003e\n\n\u003cp\u003eThis complete product series includes 6 standard specifications, fully compatible with all mainstream CO₂ laser cutting and engraving machines. All windows undergo 100% optical inspection before delivery to ensure maximum protection and performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our CVD ZnSe Protective Windows\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Purity CVD Zinc Selenide Substrate\u003c\/strong\u003e: Made from premium chemical vapor deposition (CVD) zinc selenide with excellent transmission at 10.6μm wavelength. Low absorption and high thermal conductivity for stable performance.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eDouble-Sided Hard AR Coating\u003c\/strong\u003e: Features durable double-sided hard anti-reflection coating optimized for 10.6μm. Provides \u0026gt;99% transmittance, minimizing reflection loss and maximizing light throughput.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Plano-Parallel Design\u003c\/strong\u003e: Precision polished plano-parallel surfaces with zero optical power. Ensures no beam distortion or focal shift, maintaining perfect laser beam quality.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eEffective Contaminant Barrier\u003c\/strong\u003e: Acts as the first line of defense against dust, fumes, cutting splashes and airborne particles. Prevents contaminants from entering the laser head assembly and damaging expensive internal optics.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e6 Standard Specifications\u003c\/strong\u003e: Complete range of diameters available, covering all mainstream CO₂ laser machine models and application requirements.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation \u0026amp; Replacement\u003c\/strong\u003e: Standard dimensions ensure perfect fit with all original and compatible CO₂ laser cutting heads. No optical alignment required, can be replaced in minutes.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eCost-Effective Protection\u003c\/strong\u003e: Significantly reduces maintenance costs by protecting expensive internal focusing and collimating lenses. A small investment that saves hundreds of dollars in replacement parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Sizes\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO₂ Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO₂ Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO₂ Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO₂ Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Protective Window Sizes\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD12.7mm × T3mm\u003c\/strong\u003e: 12.7mm (0.5\") diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD15mm × T3mm\u003c\/strong\u003e: 15mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD18mm × T3mm\u003c\/strong\u003e: 18mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD19mm × T3mm\u003c\/strong\u003e: 19mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm × T3mm\u003c\/strong\u003e: 20mm diameter, 3mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm × T3mm\u003c\/strong\u003e: 25mm diameter, 3mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Sizes Available\u003c\/strong\u003e: For custom diameters, thicknesses or special coatings, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO₂ Laser Protective Window\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Purity CVD Zinc Selenide (ZnSe)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO₂ Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOptical Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePlano-Parallel (No Focal Power)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDouble-Sided Hard Anti-Reflection (AR) @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 Scratch-Dig (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eParallelism\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≤3 Arc Minutes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e12.7mm, 15mm, 18mm, 19mm, 20mm, 25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 3000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFunction\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOptical Path Protection, Contaminant Barrier\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Cutting, Laser Engraving, Industrial Laser Processing\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected CVD ZnSe CO₂ Laser Protective Window\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll CVD ZnSe protective windows from Link Metal CNC undergo 100% optical inspection before delivery, including transmittance test, surface quality check, flatness measurement and dimensional accuracy verification.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure stable performance and reliable protection for your expensive laser optics. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need a protective window for my CO₂ laser?\u003c\/strong\u003e\u003cbr\u003e\nA: The protective window acts as a disposable barrier between the laser head and the workpiece. It prevents dust, fumes, cutting splashes and other contaminants from entering the laser head and damaging the expensive internal focusing and collimating lenses. Replacing a $20 protective window is much more cost-effective than replacing a $200+ focusing lens.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the protective window?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, the protective window should be replaced every 1-2 weeks or every 40-80 hours of use. However, it should be replaced immediately if you notice any film burning, scratches, or if cutting\/engraving quality deteriorates. Frequent cutting of oily or reflective materials will accelerate contamination.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean and reuse a protective window?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can clean a slightly contaminated protective window using proper cleaning techniques. However, once the window has significant scratches, film burning or permanent staining, it must be replaced. Always use a blower ball first to remove loose dust, then gently wipe with a lint-free microfiber cloth and lens cleaning fluid.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between CVD ZnSe and other materials for protective windows?\u003c\/strong\u003e\u003cbr\u003e\nA: CVD ZnSe is the best material for CO₂ laser protective windows due to its excellent transmission at 10.6μm, low absorption and high thermal conductivity. Other materials like fused silica have very high absorption at 10.6μm and will overheat and crack almost immediately when exposed to CO₂ laser radiation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this protective window for fiber lasers?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this protective window is specifically designed for 10.6μm CO₂ lasers. It will not work for 1064nm fiber lasers. Using the wrong wavelength window will result in extremely high absorption, causing the window to overheat and crack.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO₂ focus lenses, reflective mirrors, nozzles and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D12.7mmT3mm","offer_id":48135320273118,"sku":"LMCNC-WINDOW-ZNSE-D12.7-T3","price":15.9,"currency_code":"USD","in_stock":true},{"title":"D15mmT3mm","offer_id":48135320305886,"sku":"LMCNC-WINDOW-ZNSE-D15-T3","price":18.9,"currency_code":"USD","in_stock":true},{"title":"D18mmT3mm","offer_id":48135320338654,"sku":"LMCNC-WINDOW-ZNSE-D18-T3","price":28.9,"currency_code":"USD","in_stock":true},{"title":"19mmT3mm","offer_id":48135320371422,"sku":"LMCNC-WINDOW-ZNSE-D19-T3","price":28.9,"currency_code":"USD","in_stock":true},{"title":"D20mmT3mm","offer_id":48135320404190,"sku":"LMCNC-WINDOW-ZNSE-D20-T3","price":29.9,"currency_code":"USD","in_stock":true},{"title":"D25mmT3mm","offer_id":48135320436958,"sku":"LMCNC-WINDOW-ZNSE-D25-T3","price":60.9,"currency_code":"USD","in_stock":true},{"title":"Other models please contact us","offer_id":48135320469726,"sku":null,"price":60.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-cvd-znse-protective-window-03.jpg?v=1776775628"},{"product_id":"linkmetal-cnc-cvd-znse-co2-laser-beam-combiner-red-dot","title":"LinkMetal CNC CVD ZnSe CO₂ Laser Beam Combiner (Red Dot Alignment)","description":"\u003ch2\u003eCVD ZnSe CO₂ Laser Beam Combiner | Red Dot Alignment\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh precision CVD ZnSe beam combiner, the essential component for CO₂ laser alignment systems.\u003c\/strong\u003e Optimized for 45° angle of incidence, transmits \u0026gt;99% of the 10.6μm CO₂ laser beam while reflecting a bright clear red alignment beam (632.8nm). Enables accurate laser positioning, reduces setup time and significantly improves work efficiency.\u003c\/p\u003e\n\n\u003cp\u003eThis product is manufactured from high purity CVD zinc selenide with precision dichroic coating. Standard dimensions ensure direct replacement for most mainstream CO₂ laser cutting and engraving machines. All beam combiners undergo 100% optical testing before delivery.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our CO₂ Laser Beam Combiners\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright Clear Red Dot Alignment\u003c\/strong\u003e: Reflects \u0026gt;90% of 632.8nm red light, producing a sharp, bright red dot that is easy to see even in bright workshop environments.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e\u0026gt;99% CO₂ Laser Transmittance\u003c\/strong\u003e: Exceptionally high transmittance at 10.6μm wavelength, resulting in almost no energy loss and maintaining maximum laser cutting power.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Dichroic Coating\u003c\/strong\u003e: Features durable multi-layer dichroic coating with excellent adhesion and stability. Maintains consistent performance over long-term use.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePlano-Parallel Design\u003c\/strong\u003e: Precision polished plano-parallel surfaces with zero optical power. Ensures no beam distortion or focal shift, maintaining perfect cutting accuracy.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eStandard Dimensions\u003c\/strong\u003e: Available in two standard sizes, direct replacement for most original CO₂ laser machine beam combiners.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation \u0026amp; Replacement\u003c\/strong\u003e: Simple drop-in installation with no optical alignment required. Can be replaced in minutes, minimizing downtime.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eHigh Quality CVD ZnSe Material\u003c\/strong\u003e: Made from premium high purity CVD zinc selenide with excellent thermal stability and low absorption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Sizes\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Mainstream CO₂ Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO₂ Laser Engraving Machines\u003c\/li\u003e\n  \u003cli\u003eAll CO₂ Laser Marking Machines\u003c\/li\u003e\n  \u003cli\u003eAll 10.6μm CO₂ Laser Processing Equipment with Red Dot Alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Beam Combiner Sizes\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20mm × T2mm\u003c\/strong\u003e: 20mm diameter, 2mm thickness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25mm × T2mm\u003c\/strong\u003e: 25mm diameter, 2mm thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Sizes Available\u003c\/strong\u003e: For custom diameters, thicknesses or special wavelength requirements, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCO₂ Laser Beam Combiner (Red Dot Alignment)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eHigh Purity CVD Zinc Selenide (ZnSe)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10.6μm (CO₂ Laser) \/ 632.8nm (Red Alignment Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eOptical Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePlano-Parallel Dichroic Mirror\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAngle of Incidence\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e45°\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;99% @10.6μm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eReflectance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e\u0026gt;90% @632.8nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 Scratch-Dig (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eParallelism\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≤3 Arc Minutes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e20mm, 25mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e10W - 3000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFunction\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBeam Combining \u0026amp; Precision Laser Alignment\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLaser Positioning, Cutting Alignment, Engraving Alignment\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected CVD ZnSe CO₂ Laser Beam Combiner\u003c\/li\u003e\n  \u003cli\u003e1 x Hard Protective Storage Case\u003c\/li\u003e\n  \u003cli\u003e1 x Lint-free Microfiber Cleaning Cloth\u003c\/li\u003e\n  \u003cli\u003e1 x Sealed Anti-static Aluminum Foil Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll CO₂ laser beam combiners from Link Metal CNC undergo 100% optical testing before delivery, including transmittance test at 10.6μm, reflectance test at 632.8nm, surface quality inspection and dimensional accuracy verification.\u003c\/p\u003e\n\n\u003cp\u003eWe guarantee bright clear red dot alignment and \u0026gt;99% CO₂ laser transmittance. All our products come with professional pre-sales consultation and comprehensive technical support for any installation or usage questions.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is a laser beam combiner and why do I need it?\u003c\/strong\u003e\u003cbr\u003e\nA: A beam combiner is a special optical component that allows two different wavelengths of light to travel along the same path. In CO₂ laser systems, it transmits the invisible 10.6μm CO₂ laser beam while reflecting the visible 632.8nm red alignment laser, creating a visible red dot that shows exactly where the laser will cut or engrave.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I install the beam combiner correctly?\u003c\/strong\u003e\u003cbr\u003e\nA: The beam combiner must be installed at a 45° angle to both the CO₂ laser beam and the red alignment laser. The coated side should face the red laser source. Always wear clean gloves when handling optical components and avoid touching the optical surfaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the beam combiner?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a beam combiner should last 6-12 months. However, it should be replaced immediately if you notice a significant decrease in red dot brightness, reduced cutting power, or if the surface becomes scratched or contaminated.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean the beam combiner?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can clean a slightly contaminated beam combiner using proper cleaning techniques. Use a blower ball first to remove loose dust, then gently wipe with a lint-free microfiber cloth and lens cleaning fluid. Never use regular paper towels or tissues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can this beam combiner be used for fiber lasers?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this beam combiner is specifically designed for 10.6μm CO₂ lasers and 632.8nm red alignment lasers. It will not work for 1064nm fiber lasers. Using the wrong wavelength beam combiner will result in extremely high absorption and damage.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including CO₂ focus lenses, protective windows, reflective mirrors and more.\n\u003c\/p\u003e","brand":"LinkMetal CNC","offers":[{"title":"D20T2mm","offer_id":48135401668830,"sku":"LMCNC-COMBINER-ZNSE-D20-T2","price":32.9,"currency_code":"USD","in_stock":true},{"title":"D25T2mm","offer_id":48135401701598,"sku":"LMCNC-COMBINER-ZNSE-D25-T2","price":38.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/linkmetal-cnc-cvd-znse-beam-combiner-07.jpg?v=1776777650"}],"url":"https:\/\/www.linkmetalcnc.com\/collections\/co2-optical-lenses.oembed","provider":"Link Metal CNC ","version":"1.0","type":"link"}