COE offers a wide variety of UV, infrared, FIR optical windows, such as BK7 windows, Fused Silica windows, Sapphire windows, Borofloat windows, CaF2 windows, MgF2 windows, BaF2 windows, Germanium windows etc. Our optical windows can be parallel or wedged, and the shape can be round, rectangular, stepped or other shapes upon the detailed request. COE can offer AR coating to improve the transmission from UV to IR wavelength. Other coatings are available.

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