Optical Square Window
Sizes Available Start from 4.0mm Sq
Thickness 0.5mm – 12mm
Thickness Tolerance /0.05mm
Surface Accuracy L/8 @632.8nm
Surface Quality 20-10 SD
Parallelism 10 arc sec
Clear Aperture >90%
Bevel Protective bevel
Material BK7, other optical glass
AR coating and MgF2 etc