Dimensions in mm
Material: BK7 fine annealed or UV grade fused silica
Clear aperture: 90% of diameter
Dimensions: ±0/-0.1mm
Surface flatness: reflective surface λ/10 @632.8nm,λ/4 on other surfaces
180 deg beam deviation: 3 arc sec
Surface quality: 60-40 scratch-dig
Coating: Protected silver over coated with black paint on the reflective surfaces
Part No |
Material |
BeamDeviation(Deg) |
Wedge Angle
(Deg) |
Diameter
|
Center
Thickness |
WEG25A1 |
BK7 |
1 |
1.93 |
25.0 |
3.4 |
WEG25A2 |
BK7 |
2 |
3.86 |
25.0 |
3.8 |
WEG25A4 |
BK7 |
4 |
7.67 |
25.0 |
4.7 |
WEG25A6 |
BK7 |
6 |
11.37 |
25.0 |
5.5 |
WEG25A8 |
BK7 |
8 |
14.95 |
25.0 |
6.3 |
WEG25A10 |
BK7 |
10 |
18.13 |
25.0 |
7.1 |
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