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Optics >>> Optical Material >>> CaF2

CaF2 is a crystal with good transmission from 170 nm to 7800 nm. It is slightly soluble in water and susceptible to thermal shock. CaF2 is commonly used in IR components such as windows, lenses and prisms.  

CaF2 Properties:

  • Transmission range: 170nm ~ 7800nm
  • Thermal Expansion coefficient: 18.85X10-6/K
  • Density: 3.18 g/cm3

Transmission Curve:




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