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Lithium fluoride window
  • Lithium fluoride window
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Product Details

Lithium fluoride (LiF) crystal have good optical transmission properties and can be used as Ultraviolet and Infrared optical window in the spectral range of 0.11 μm~7.5 μm. Especially in deep Ultraviolet(VUV). 

Lithium fluoride (LiF) crystal has excellent scintillation properties and has become an important crystal material in the fields of high-energy physics and nuclear physics, nuclear medicine and other fields.

Physical Properties

Crystal type cubic
Density, g/cm3 2.64
Melting point, °C 870
Refractive index @ 1.0, µm n = 1.387
Transmission band, µm 0.15-6
Lattice constant, Å a = 4.026

Specifications for LiF Windows

Material LiF
Surface quality 60-40 scratch & dig (MIL-PRF-13830B)
Clear aperture 90% of the diameter
Diameter tolerance ±0.02 mm
Thickness tolerance ±0.02 mm
Parallelism ±30 arc seconds
Flatness λ/10 @ 633 nm
Spectral range UV, VIS, IR

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


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Contact Us
  • Room 1116,Tangxuan Center, No12,N 2nd E RD, Tiexi District, Shenyang 110025
  • +86-199 0981 7122
  • +86-199 0981 7122
  • yibeiteoptics@gmail.com
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