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25mm Dia., 2mm Thick, Uncoated, Lithium Fluoride (LiF) Window

Lithium Fluoride (LiF) Windows

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Stock #19-728 New
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€285,00
Qty 1-10
€285,00
Qty 11+
€256,50
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Specifications

Abbe Number (vd):
97.29
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.00/-0.10
Thickness (mm):
2.00 ±0.10
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
37
Density (g/cm3):
2.64
Edges:
Fine Ground
Index of Refraction nd:
1.392
Knoop Hardness (kg/mm2):
102
Parallelism (arcmin):
<3
Poisson's Ratio:
0.33
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Lithium Fluoride (LiF)
Surface Flatness:
λ/2 @ 633nm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
150 - 6000
Young's Modulus (GPa):
64.97

Regulatory Compliance

RoHS:

Learn More

Product Family Description

  • High Transmission from 150nm - 6μm
  • Excellent Vacuum UV (VUV) Transmission
  • Low Index of Refraction

Lithium Fluoride (LiF) Windows provide high, flat transmission from 150nm to 6μm. Lithium fluoride has excellent transmission in the vacuum ultraviolet (VUV) wavelength range of 150 - 200nm. Lithium fluoride also has a low index of refraction, allowing these windows to be used without an anti-reflection (AR) coating. Lithium Fluoride (LiF) Windows are ideal for use as UV transmission windows in spectroscopy applications, as a diffracting element in X-ray spectrometry, or as infrared windows for thermal imaging applications.

Note: Lithium fluoride is sensitive to thermal shock and is attacked by atmospheric moisture at temperatures above 400°C.

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