| Coad | 671663 | Type | Damage-Resistant 890-2940nm Femtosecond Mirror | |
| Diameter(mm) | 12.70 | Thickness(mm) | 3.00 | |
| Diameter Tolerance | +0/-0.1 mm | Thickness Tolerance | +0/-0.1 mm | |
| Wavelength(nm) | 2940 | AOI(°) | 0 | |
| Substrate | Sapphire (c-cut, IR grade) | Clear Aperture | ≥10mm | |
| Parallelism | <1 arcmin | Surface Quality S1 | 20-10 S-D over CA as per MIL-PRF13830B | |
| Surface Quality S2 | Commercial polish (80-50 S-D) | Surface Flatness | <λ/8@633nm per CA=8mm | |
| GDD | - | Laser Damage Threshold | - | |
| Coating Type | IBS | Coating Specifications | S1:HR>99,7%@2940nm / S2:Uncoated |














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