| Coad | 671688 | Substrate | UV grade sapphire | |
| Type | Window | Clear Aperture | >85% | |
| Diameter(mm) | 60.00 | Diameter Tolerance | +0/-0.1mm | |
| Thickness(mm) | 5.00 | Thickness Tolerance | +0/-0.1mm | |
| Wavelength(nm) | 308 | Parallelism | <10 arcsec | |
| Transmission Efficiency (%) | >98.5 | Surface Quality S1 | MIL 20/10 S/D | |
| AOI | 0° | Transmission Wavefront Deviation | λ/6 PV@633nm | |
| Coating Type | IBS | Laser Damage Threshold | - | |
| Coating Specifications | S1: AR≤0.2%@308nm / S2: AR≤0.2%@308nm | |||














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