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Magnesium fluoride crystals have a wide light transmission range, and have good light transmission performance in the wavelength range of 0.12 μm to 7.5 μm. The single crystal rate is high, and the material is harder than CaF2. It is mainly used in the ultraviolet band, which is an ideal material for making various optical components such as windows, lenses, prisms, and cylindrical lenses.
Introduction:
Magnesium fluoride crystals have a wide light transmission range, and have good light transmission performance in the wavelength range of 0.12 μm to 7.5 μm. The single crystal rate is high, and the material is harder than CaF2. It is mainly used in the ultraviolet band, which is an ideal material for making various optical components such as windows, lenses, prisms, and cylindrical lenses.
Applications:
1) VUV, UV, and IR optical systems
2) UV photomultiplier tubes
3) Excimer lasers
4) Optical fiber communications industry
Shenhua offers MgF2 specifications:
Dimension Tolerance | Diameter:±0.05mm Length:±0.1mm |
Orientation | a-cut or <100>; C-cut or <001>; random (-RM) or as specified |
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 |