Lithium Fluoride (LiF) Components

  • Optically isotropic, medium hard, hygroscopic, insoluble in water
  • Wide transmission range from 150 nm to 6000 nm

Lithium fluoride (LiF) crystals are well-suited for manufacturing of optical elements (mirrors, windows, lenses) for UV, visible and IR applications. Lithium fluoride (LiF) is very useful for x-ray monochromators and for the study of fundamental properties and defects in crystals

Delivery

Estimated delivery time: from 4 - 5 days

Diameter
Thickness
Substrate

Lithium Fluoride (LiF) windows

Code Diameter Thickness Substrate Price Delivery Add to cart
510-5253 ø 25,4 mm 3 mm UV grade LiF 112 $ 4 - 5 days To cart
510-5384 ø 38,1 mm 4 mm UV grade LiF 237 $ 4 - 5 days To cart
510-5506 ø 50,8 mm 6 mm UV grade LiF 347 $ Request To cart
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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

+0.0 -0.1 mm

Thickness tolerance

±0.2 mm

Parallelism

<3 arcmin

Flatness

λ/4 @ 633 nm

Spectral range

UV, VIS, IR

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