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              758号4栋
  • ganoderma lucidum ANTI CANCER HERBS reishi

    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:
    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