| Coad | 669639 | Substrate | Borofloat 33 | |
| Type | Metallic Coated Flat Mirror | Diameter(mm) | 25.40 | |
| Clear Aperture | 90% CA | Diameter Tolerance | +0.0/-0.2mm | |
| Parallelism | - | Thickness(mm) | 3.20 | |
| Quantity | 1 | Thickness Tolerance | ±0.20mm | |
| Surface Quality S1 | 60-40 | Wavelength(nm) | 480 - 20000 | |
| Surface Quality S2 | Fine Polishing | AOI(°) | 0 - 45 | |
| Inclination Angle | - | Surface Flatness | 5λ@633nm | |
| Laser Damage Threshold | - | Coating Type | Silver Coating (with Silicon Dioxide Protection Layer) | |
| Coating Specifications | Ravg>96.5%@480-2000nm,Ravg>96%@2000-20000m | |||














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