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Calcium Fluoride Windows



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Custom Optical Component >> Optical Windows >> Calcium Fluoride Windows
  Calcium Fluoride Windows
  Calcium Fluoride (CaF2) is a cubic single crystal with excellent transmission from UV to middle infrared wavelength.
  UltiTech offers precision Calcium Fluoride optical windows used as transparent windows in UV and IR spectrum. 
  Calcium Fluoride windows can be used without anti-reflective coating because of its low refractive index.
  Due to its low absorption coefficient and high damage threshold, uncoated Calcium Fluoride window is ideal material for the applications in excimer laser systems. 
  Optical Windows made from UV grade calcium fluoride are also used in cryogenically cooled thermal imaging systems.
Calcium Fluoride windows
  Standard Specifications of Calcium Fluoride Windows
  • Diameter Tolerance: +0.0, -0.1mm
  • Thickness Tolerance: ±0.02mm
  • Clear Aperture : >85%
  • Surface Accuracy: λ/4 @ 633nm
  • Surface Quality S/D: 40/20
  • Parallelism: <3 Arc minutes
  • Bevel: <0.25mm X 45°
  • Coating: Available upon request
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