Custom Optical Component >> Optical Windows >> Calcium Fluoride Windows |
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Calcium Fluoride Windows |
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Calcium Fluoride (CaF2) is a cubic single crystal with excellent transmission from UV to middle infrared wavelength. |
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UltiTech offers precision Calcium Fluoride optical windows used as transparent windows in UV and IR spectrum. |
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Calcium Fluoride windows can be used without anti-reflective coating because of its low refractive index. |
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Due to its low absorption coefficient and high damage threshold, uncoated Calcium Fluoride window is ideal material for the applications in excimer laser systems. |
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Optical Windows made from UV grade calcium fluoride are also used in cryogenically cooled thermal imaging systems. |
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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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