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Scintillation crystal Scintillation Array Optical crystal and Optical wi
BaF2
Source: Time:2018-07-29 12:44:02
Barium fluoride crystal shows good optical transmittance over wide spectrum range, from 150nm to 12.5um. It is used for windows, lenses and prisms, particularly for the application of ultraviolet transmittance. The highest quality of BaF2 has an application as the well know scintillation crystal.
 
Property of BaF2
 
Transmission Range 150 nm to 14 μm
Transmittance   >94% at 350 nm to 10.8 μm
Radiation Length 20.6 mm
Residual Radiation Peak 47 nm
Emission Peak 310 nm slow; 220 nm fast
Decay Constant 620 ns slow; 0.6 ns fast
Light Output 20% slow; 4% fast
Density 4.89g/cm3
Melting Point 1280℃