|
Specification |
|
|
Material |
BK7,Fused Silica |
|
Diameter Tolerance |
+0.0/-0.2mm |
|
Thickness Tolerance |
+/-0.1mm |
|
Clear Aperture |
>80% |
|
Surface Figure |
λ/4@632.8nm |
|
Surface Quality |
40/20 scratch/dig |
|
Bevel |
0.25mm*45° |
|
Angle Tolerance |
+/-3′ |
