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All Products / Optics / Windows and Diffusers / UV and IR Windows / Lithium Fluoride (LiF) Windows
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

12.7mm Dia., 1mm Thick, Uncoated, Lithium Fluoride (LiF) Window

Lithium Fluoride (LiF) Windows

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Stock #16-804 3-4 days
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£242.25
Qty 1-10
£242.25
Qty 11+
£218.03
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Abbe Number (vd):
97.29
Axis Orientation:
Random
Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
10.80
Diameter (mm):
12.70 +0.00/-0.13
Thickness (mm):
1.00 ±0.13
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 @ 0.6μm
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 (P-V):
2λ @ 632.8nm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
150 - 6000
Young's Modulus (GPa):
64.97

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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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.