Zinc Selenide Lens
Zinc selenide(ZnSe) is a preferred material for mid/far-IR optics and 10.6μm CO₂ laser systems, offering high transmission, good thermal stability, low absorption, and moderate mechanical properties. Scysgx uses high-purity substrates and 260 precision-processing machines plus 65 specialist inspection instruments for closed-loop production from milling/grinding and polishing to coating and inspection. Plano-convex, biconvex, plano-concave, and meniscus lenses reach surface accuracy up toλ/10, providing precision optics for CO₂ laser equipment, IR imaging, spectroscopy, and medical lasers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material [Standard Specifications] | High-Purity Zinc Selenide (ZnSe) |
| Diameter Range [Standard Specifications] | 10–500mm |
| Diameter Tolerance [Standard Specifications] | ＋0/-0.01mm |
| Center Thickness Tolerance [Standard Specifications] | ±0.02mm |
| Surface Figure Accuracy [Standard Specifications;@632.8nm] | λ/4、λ/8 |
| Surface Quality [Standard Specifications] | 60/40 |
| Chamfer [Standard Specifications] | 0.2–0.5mm×45° |
| Applicable Wavelength Band [Standard Specifications] | 600nm–18μm |
| Material [High-Precision Grade Specifications] | High-Purity Zinc Selenide (ZnSe) |
| Diameter Range [High-Precision Grade Specifications] | 10–300mm |
| Diameter Tolerance [High-Precision Grade Specifications] | ＋0/-0.01mm |
| Center Thickness Tolerance [High-Precision Grade Specifications] | ±0.01mm |
| Surface Figure Accuracy [High-Precision Grade Specifications;@632.8nm] | λ/10 |
| Surface Quality [High-Precision Grade Specifications] | 40/20 |
| Chamfer [High-Precision Grade Specifications] | 0.2–0.5mm×45° |
| Applicable Wavelength Band [High-Precision Grade Specifications] | 600nm–18μm |
Applications
Key Features
Datasheet
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