Calcium fluoride shows good optical and thermo-mechanical properties. It is widely used as optical windows, lenses and prisms in 0.13μ M~9.0μ M. For its optical isotropy, low absorption and low refractive index. CaF2 has found unique advantages in high power laser and UV laser optics.
Main Properties and Performance
Transmission range (μ M) 0.13~9.0
Transmittance> 90% (0.3~7μ M, 3mm)
Refractivity(5μ M) 1.39908
Expansion Coefficient (C Degree-1) 18.85× 10-6
Knoop hardness (kg/mm2) 158.3(100)
Elastic Coefficients C11=164; C12=53; C44=33.7
Young's modulus (GPa) 75.79
Poisson's ratio 0.28
Solu bility (g/100gH2O@20 C Degree) 0.0017
Cleavage plane (111)
Density(g/cm3) 3.18
Melting Point(C Degree) 1360
We main deal in researching and producing the Piezoceramic Elements, including the Piezoceramic discs, rings, blocks, tubes, bimorph used in the textile. We also product the sensors, D33 meter, and many other crystals such as LYSO, BGO, which used in the medical instrument.
