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CaF2 Windows

Product Details

CaF2 Windows Product

Calcium fluoride (CaF2) window material has a light transmission range of ultraviolet light 0.13 ~ far infrared 10μm (there are five levels: IR infrared, VIS visible, UV ultraviolet, VUV vacuum ultraviolet, excimer level). It is excellent ultraviolet and infrared Window material.

Calcium fluoride (CaF2) crystals have a high laser damage threshold and are commonly used to fabricate optical components for excimer lasers. With strong shock and thermal shock resistance and good machinability. Calcium fluoride window is widely used in low energy nuclear physics experiments and detection of charged ions in nuclear reactors, environmental radiation monitoring and radiological medical diagnosis.

Caf2 windows specifications





Dimension tolerance


Surface quality (scratch & dig)

20/10 or better

Clear aperture


Surface accuracy

λ/4 λ/8 λ/10


<30 arc sec


0.1~0.3mm x 45 degree


AR or Custom

We can manufacture optical windows in any optical material required. Please contact us with your specific requirements

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  • 5th Floor, Block H, Building D15, SISP, Shenben Str., Hunnan Dist., Shenyang 110179, China
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