Materials
UV Fused Silica
Surface Flatness
λ/10 @633nm
Window surface parallel error
<10″
Clearing
II grade
 
Type 
Diameter
Thickness
WN04GW-005
5.0
2.0
WN04GW-010
10.0
2.0
WN04GW-012
12.5
6.0
WN04GW-020
20.0
6.0
WN04GW-025
25.0
6.0
WN04GW-038
38.0
10.0
WN04GW-050
50.0
10.0