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.
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℃ |
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