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CaF2 or Calcium Fluoride is a cubic crystal with an excellent transmission from 130nm to 10μm and has widespread applications as transparent windows in the ultraviolet and infrared spectra.
Introduction:
CaF2 or Calcium Fluoride is a cubic crystal with an excellent transmission from 130nm to 10μm and has widespread applications as transparent windows in the ultraviolet and infrared spectra.
Applications:
1) VUV,UV,IR optical systems
2) CaF2 crystals used for stable femtosecond white light generation from UV to IR.
Shenhua offers CaF2 specifications:
Orientation | C-cut or <001>; random (-RM) or as specified |
Dimension Tolerance | Diameter:±0.05mm Length:±0.1mm |
Wavefront distortion | ≤ λ/6 per inch@ 633nm |
Flatness | ≤ λ/6 @ 633nm |
Parallelism | 20’’ |
Perpendicularity | 10’ |
Clear Aperture | Central 85% of the diameter |
Surface Quality | 20/10 to MIL-PRF-13830B |
Chamfer | ≤0.25mm x 45° |
Coating | Uncoated or upon customer’s request |
Quality Warranty Period | One year under proper use |