Description
| Material | BK7, UV Fused Silica |
| Dimension Tolerance | +0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Flatness | <λ/[email protected] per 25mm |
| Parallelism | <3 arc minutes |
| Extinction Ratio | Tp/Ts>100:1 |
| Transmission | Tp>95%, Ts<0.5% |
| Reflection | Rs>99.5%, Rp<5% |
| Coating | AOI 56.5deg (Should be tuned to optimized AOI in use), one surface coated, rear surface uncoated |
| Damage threshold | >5J/cm2, 20ns, 20Hz, @1064nm |
