Material: Bk7, Fused Silica and etc.
Specifications
| Material |
Bk7,
fine annealed (other material upon request) |
| Dimensions
Tolerance |
0.0/-0.15
mm |
| Surface
Flatness |
λ/2 @ 632.8 nm |
| Reflection
Face Flatness |
λ/4
@ 632.8 nm |
| Reflected
Beam Deviation |
45°±1'
or 45°±5' |
| Surface
Quality |
40-20
scratch & dig |
| Clear
Aperture |
90%
of the dimension |
| Chamfers |
0.1-0.25
mm x 45° |
| Coating |
Reflecting
surface: aluminum and black paint overcoat
Entrance and
exit surface: MgF2
|
Note: Special material and size are available
upon request.