Material: Bk7, Fused Silica, Sapphire and etc.
Specifications
| Material |
Bk7, fine annealed (other material upon
request) |
| Dimensions Tolerance |
0/ -0.15 mm |
| Surface Flatness |
< λ/4 at 632.8 nm |
| Reflected Surface flatness |
λ/10 at 632.8 nm |
| Surface Quality |
40-20 scratch and dig |
| Clear Aperture |
90% of the dimension |
| Reflected Beam Deviation |
0°±30'' or 0°±2' |
| Chamfers |
0.1- 0.25 mm x 45° |
| Coating |
Upon Request |
Note: Special material and size are available
upon request.