| Customization: | Available |
|---|---|
| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Flat Lens |
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| Items | Description | |
| Silicon Window | Material: | Silicon,IR grade,monocrystalline |
| Diameter: | 2-16.0+0/-0.1mm | |
| Thickness: | 0.4-5.0+/-0.1mm | |
| ROC1: | infinity | |
| ROC2: | infinity | |
| Flatness: | S1&S2:PWR<[email protected];IRR<[email protected] | |
| Surface quality: | S1&S2:40-20 | |
| Parallelism: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| Coating: | S1:high efficiency AR coating,Ravg<1%@3.5-4.9micron,AOI:0deg | |
| S2:DLC+ AR coating,Total Tavg>90%@3.5-4.9micron,AOI:0deg | ||
| Standard: | MIL-PRF-13830B | |
| Control items | Inspection instrument/method | |
| Dimensions: | Mitutoyo Vernier caliper | |
| Surface Quality: | Naked eye test& 15W LED cold light | |
| Flatness: | ZYGO interferometer | |
| Parallelism: | Thickness guage | |
| Chamfer: | Magnifier X10& naked eye test | |
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