Chinese

Circular Windows

Window are of high precision dimension control, minimal transmitted beam deviation, high surface quality. With those excellent features, the BK7 ,Sapphire,Infrared etc window is widely use in projection optics systems, imaging and optical measurement system.

Request

Material: Optical glass,Fused Silica, Silicon, Germanium, Znse, Zns, Sapphire,Caf2,Mgf2,Baf2...
Size:2-500mm
Size Tolerance:+0/-0.01~+0/-0.1mm
Thickness Tolerance:±0.01~±0.1mm
Irregularity (P-V) @ 632.8nm:λ/10~λ/2@632.8nm
Surface Quality:10/5~60/40
parallelism:<3”~3'
Clear Aperture:>90%
Bevel:Protective bevel as needed
Coating:Uncoated,AR,BBAR