Polarizer NLO Crystals Waveplate High Power Polarization Beamsplitter EO Q-Switch

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氟化镁

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 point 1255 °C
Mohs Hardness 6
  Thermal Expansion Coefficients parallel c-axis: 10.86 - 14.54
vertical c-axis: 6.23 - 9.25
Specific heat capacity 920 J kg -1 K -1
Absorption coefficient (cm -1 ) 0.07 at 0.2 µm; 0.02 at 5.0 µm