| Coad | 667145 | Type | Damage-Resistant Ultraviolet Mirror | |
| Diameter(mm) | 50.80 | Thickness(mm) | 9.52 | |
| Diameter Tolerance | +0/-0.1mm | Thickness Tolerance | +0/-0.1mm | |
| Wavelength(nm) | 342 - 347 | AOI(°) | 45 | |
| Substrate | UVFS JGS1 | Clear Aperture | ≥45mm | |
| Parallelism | <5 arcmin | Surface Quality S1 | 20-10 S-D per CA MIL-PRF-13830B | |
| Surface Quality S2 | Commercial polish (80-50 S-D) | Surface Flatness | <λ/10@633nm per CA | |
| GDD | GDD_Rs < 30 fs2 | Laser Damage Threshold | - | |
| Coating Type | IBS Coating | Coating Specifications | S1:HRs>99.9%@342-347nm / S2:Uncoated |














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