Window are of high precision dimension control, minimal transmitted beam deviation, high surface quality. With those excellent features, the BK7 ,Sapphire,Infrared etc window is widely use in projection optics systems, imaging and optical measurement system.
Product parameter
| Materials | Optical glass, quartz, infrared materials (calcium fluoride, zinc selenide, silicon, germanium) |
| Diameter Range | φ1-450mm |
| Contour tolerance | 0/-0.1 |
| Thickness Tolerance | ±0.03 |
| Surface Quality | 20-10 |
| Surface Flatness | N≤1, △N≤0.2 |
| Center | 15 seconds |
| Chamfer | ≤0.1 |
| Clear Aperture | > 90% |
| Coating | According to customer requirements |
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