Description

| Material | BK7 or UV Fused Silica |
| Design Wavelength | BK7:632.8nm,n=1.515@632.8nm UV Fused Silica:355nm,n=1.476@355nm |
| Dimension Tolerance | +0/-0.2mm |
| Thickness | 3mm on the thinnest edge |
| Surface Quality | 60/40 |
| Clear Aperture | >90% |
| Flatness | <λ/4@632.8nm |
| Wedge Angle Tolerance | <3 arc minutes |
| Deviation Angle | 1°-10° |
| Coating | None, available |





