| Product name | Zinc Selenide Optical Windows |
| Material | Znse |
| Shape tolerance | 1- 200mm +0.0/-0. 1 |
| Thickness tolerance | 1-15mm 土0.1，1-30mm 士0.1 |
| Surface type | N=3，λ/4， λ/5 |
| Parallelism | 3'，<1' |
| Smoothness | 60-40 |
| Effective aperture | >90% |
| Inverted side | <0.2X45‘ |
| Plating film | coustom design |
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