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Zinc Sulfide (ZnS) rough material is a crucial component in the production of infrared optics. Recognized for its excellent transmission from visible to infrared wavelengths, ZnS is extensively used to manufacture optical components like lenses and windows, serving applications in night vision technology, thermal imaging, and other advanced optical systems.
| Material | Ge, Si, ZnSe, ZnS, Chalcogenide Glasses | ||||
| Specification | Customized | ||||
| Diameter Range | 12mm～450mm | ||||
| Polishing diameter | 12mm～450mm | ||||
| Diameter Tolerance | 0.05mm | ||||
| Center Thickness Tolerance | 0.02mm | ||||
| Surface Quality | 20/10, 10/5 | ||||
| Surface Accuracy | PV λ/10, λ/20 | ||||
| Surface Roughness | Ra≤0.04μm | ||||
| Local Error | ≤0.5 | ||||
| Decentration | ≤1′ | ||||
| Total High Tolerance | ±0.02 | ||||
| Concave Sag | ±0.02 | ||||
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