Rectangular Window

Rectangular Window 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. Capacity: Material: Optical glass, Fused silica, Silicon, Germanium, CaF2, MgF2, Sapphire, ZnSe, ZnS Diameter: 1 to 500 mm Diameter tolerance: +0-0.02 mm Thickness tolerance: 0.01 mm Surface Quality: 10-5 Parallelism: 1 minute Coating: Uncoated, AR, HR, Beamsplitter ect