| Coad | 671651 | Type | Damage-Resistant Ultraviolet Mirror | |
| Diameter(mm) | 25.40 | Thickness(mm) | 6.35 | |
| Diameter Tolerance | +0/-0.1mm | Thickness Tolerance | +0/-0.1mm | |
| Wavelength(nm) | 257 | AOI(°) | 45 | |
| Substrate | UVFS Corning 7980 0F | Clear Aperture | >90% | |
| Parallelism | <3 arcmin | Surface Quality S1 | 20-10 S-D as per MIL-PRF-13830B | |
| Surface Quality S2 | 20-10 S-D as per MIL-PRF-13830B | Surface Flatness | <λ/10@633nm over 10mm CA | |
| GDD | - | Laser Damage Threshold | - | |
| Coating Type | IBS Coating | Coating Specifications | S1:HRs>99.5%+HRp>99.0%@257nm / S2:Uncoated |














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%High praise
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