Optics windows can be applied on projection system, imaging system, Optical measurement system. And its materials cover from BK7 etc optical glass to IR CaF2, MgF2, Ge, ZnSe, Mono Si, ZnS, quartz, Sapphire, etc crystal materials.

The following is other parameters:
1. Dia.: 0.5--1000mm+/-0.02
2. Thickness tolerance: +/-0.01mm
3. Centering<1'
4. Parallism< 1'
5. S/D: 20/10 CaF2, MgF2, ZnSe, ZnS, Ge, Si, Sapphire, 10/5 BK7, FS, SF&SK
6. Flatness: Λ/10-λ /20@633nm
7. CA: 85% Diameter
8. Bevel: 0.25mm x 45°
9. Coatings: According to customer requirement