Optical Ge Windows
Windows are applied to isolate different physical environments while allowing light to pass.When selecting windows you should consider materials,transmisson,scattering, wavefront distortion,parallelism and resistance to certain environment.DND-OPTICS offers a wide range of different materials and different degree of precision windows.
Materials:BK7,UV Fused silica,CaF2,BaF2 typically,also Borofloat 33,Pyrex.Other glasses are available according to customers' requirement.
Dimension Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.1mm
Surface quality: 60/40
Clear Aperture: >85%
Flatness: per 25mm
Bevel: <0.25mm X 45°
Coating: Upon requirement
Diameter(mm):" "5.0 10.0 12.7 15.0 20.0 25.4 30.0