Coated 1064nm IR dual AR high transmittance JGS1 quartz glass collimated meniscus lens laser cutting lens combination lens znse
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- Supplier: Shenyang Wanquan Photoelectric Technology Co. Ltd.
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Products Description
Zinc selenide (ZnSe) lenses are designed for focusing or collimation applications in medium and long wave infrared spectroscopy. These lenses are made of II-VI infrared zinc selenide material, have a volume absorption coefficient of <0.0005cm-1 at a wavelength of 10.6μm, and are available without coating or in a variety of broadband anti-reflective coating options. 8-12μm coatings are ideal for use with CO2 lasers and thermal camera applications, while dual-band 3-12μm coatings are suitable for hyperspectral applications. Zinc selenide plano-convex lenses have irregularities of <λ/20 at 10.6μm wavelengths, a surface quality of 40-20, and a surface roughness of <50Å. Available in three diameter options with effective focal lengths ranging from 12.7mm to 200mm.
Material | Zinc selenide |
Purity | 99.999% |
Surface accuracy | 1/4-1/10λ |
Surface quality | 40/20-10/5 |
Coating | Dual AR/AR |
Transmittance | ＞99% |
Coating area | ＞95% |
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