
| Material | UV Fused Silica |
| Transmitted Wavefront error | λ/ 4 @ 633 nm |
| Parallelism | <30 arcsec |
| Surface Quality | 40-10 |
| Diameter Tolerance | 0.0/-0.1mm |
| Thickness | 2mm ±0.2mm |
| Central Wavelength (λC)Tolerance | ±1% |
| TransmissionTavg | >90% |
| Blocking Depth | OD2 |
| Blocking Slope | <1% |
| CA | >90% |
| Angle of Incidence | 0° |