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Calcium Fluoride Window
Calcium fluoride (CaF2) crystals have good transmittance in the UV, visible and IR wavelengths and are therefore used in a wide range of scientific and technical fields such as lasers, IR optics, UV optics and high energy detectors. In particular, they have excellent optical properties in the UV wavelengths with high transmittance and low fluorescence radiation, making them ideal for UV photodetectors, UV lasers and UV optical systems.
Detail Information
Calcium fluoride (CaF2) crystals have good transmittance in the UV, visible and IR wavelengths and are therefore used in a wide range of scientific and technical fields such as lasers, IR optics, UV optics and high energy detectors. In particular, they have excellent optical properties in the UV wavelengths with high transmittance and low fluorescence radiation, making them ideal for UV photodetectors, UV lasers and UV optical systems.
Their low absorption and high damage threshold make them ideal for excimer laser optics.
The low refractive index of calcium fluoride also allows it to be used without a transparency-enhancing coating. With a hardness of 158.3 on the Mohs scale, calcium fluoride is hard and resistant to mechanical and thermal shocks.
