Description
| Material | BK7 Grade A, UV Grade Fused Silica |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | 20/10 |
| Clear Aperture | >90% |
| Wavefront Distortion | <λ/10@633nm |
| Parallelism | <10 arc seconds |
| Chamfer | Protected<0.5mmx45° |
| Coating | None |
| Damage Threshold | >20J/cm2, 20ns, 20Hz, 1064nm |
