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MgF2 single crystal is a birefrigent material with particular properties. It has a high resistance to mechanical and thermal shock and radiation. With wide transparent range and high transmissibility, it becomes a popular choice for VUV and excimer laser windows, polarizers, prisms, lenses, wedges, windows, and other optical components

Specifications:


Surface Quality:better than 40/20 scratch/dig
Parallelism:< 10 arc sec
  Optical Axis Orientation:  +/-0.2deg
Flatness:< l/8 @632.8nm
Wavefront Distortion:<l /4@632.8nm
Coating:Coating upon Request

 

 

Physical and Optical Properties

 


Transparency Range :130-7000nm
Density  :3.18 g /cm 3
Melting point1255 °C
Mohs Hardness6
  Thermal Expansion Coefficientsparallel c-axis: 10.86 - 14.54
vertical c-axis: 6.23 - 9.25
Specific heat capacity920 J kg -1 K -1
Absorption coefficient (cm -1 )0.07 at 0.2 µm; 0.02 at 5.0 µm