| Coad | 663616 | Type | Damage-Resistant 890-2940nm Femtosecond Mirror | |
| Diameter(mm) | 50.80 | Thickness(mm) | 9.52 | |
| Diameter Tolerance | +0/-0.1 mm | Thickness Tolerance | +0/-0.1 mm | |
| Wavelength(nm) | 1064 | AOI(°) | 45 | |
| Substrate | UVFS | Clear Aperture | ≥40mm | |
| Parallelism | <5 arcmin | Surface Quality S1 | 20-10 SD (as per MIL PRF-13830B) | |
| Surface Quality S2 | Inspection polished (80-50 SD) | Surface Flatness | λ/6@633nm over any 25mm aperture within CA | |
| GDD | - | Laser Damage Threshold | - | |
| Coating Type | IBS | Coating Specifications | S1:HRs>99.9%@1064nm / S2:Uncoated |














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