| Customization: | Available |
|---|---|
| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Optical Window |
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| Items | Description | |
| Window with hole | Material: | Schott N-SF11 |
| Diameter: | 20.0+/-0.1mm | |
| 2.0+/-0.1mm of the hole | ||
| Thickness: | 3.0+/-0.1mm | |
| R1: | infinity | |
| R2: | infinity | |
| Flatness: | S1:PV<1/8L@633nm | |
| S2:N/A | ||
| Surface quality: | S1:20-10 | |
| S2:commercial polishing | ||
| Parallelism: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| chips<0.1mm | ||
| Coating: | S1:HR coating,R>98.5%@976nm,AOI:45deg | |
| Standard: | MIL-PRF-13830B | |
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