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CaF2 is a crystal with good transmission from 170 nm to 7800 nm, it is commonly used as a window material for both infrared and ultraviolet wavelengths,. It is slightly soluble in water and susceptible to thermal shock. CaF2 is commonly used in IR components such as windows, lenses and prisms. Hangzhou Lambda Photonics Technology Co. Ltd. supplies the CaF2 of UV graded and IR graded, the largest diameter of 200mm is available.
Specifications:
Size range: Maxium diameter 200mm;
Optics Type: Blanks, Lens, prisms, windows and custom components;
Surface Quality: 20/10 S/D to 80/50 S/D;
Flatness: Highest at Lambda/8 @ 633nm;
CaF2 Properties:
- Transmission range: 170nm ~ 7800nm
- Thermal Expansion coefficient: 18.85X10-6/K
- Density: 3.18 g/cm3
Transmission Curve:
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