Material:
Bk7, Fused Silica, Sapphire and other optics material
Specifications
| Material |
Bk7, fine annealed (other material upon
request) |
| Dimensions Tolerance |
0/-0.15 mm |
| Surface Flatness |
λ/2 at 632.8 nm |
| Surface Quality |
40-20 scratch and dig |
| Clear Aperture |
90% |
| Angular Tolerance |
±1' (Upon request) |
| Pyramidality |
Less than 15' (Upon request) |
| Chamfers |
0.2-0.45 mmx 45°±5° |
| Coating |
Upon request |
Note: Special material and size are available
upon request.