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MgF2 crystal

Country/Region china
Company Bei Jing Jiepu Trend Technology LTD.
Categories Optical Prism
Telephone 0086-10-67875695, 0086-10-67877187, 0086-10-67867245
ICP License Issued by the Chinese Ministry
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    MgF2 crystal

    MgF2 crystal
    Magnesium Fluoride (MgF2 crystal) is used for optical elements where extreme ruggedness and durability is required. Its useful transmission range is 0.11 m - 8.5 m. MgF2 single crystals is a positive crystal and slightly birefringent and usually supplied with the optic axis cut perpendicular to the window faces.
    Product Presentation

    MgF2 crystal has the following exceptional properties

    (1) High optical transmittance from the vacuum ultraviolet to the infrared spectrum region(0.118.5m).

    (2) Resistant to mechanical and thermal shock, to radiation.

    (3) Chemically stable.

    (4) Used for Optical prisms, lenses, wedges, windows, other optical components,and etc.

    (5) A positive birefringent crystal, used for optical fiber communication

    Main Properties of MgF2 crystal:




    3.18 g/cm3

    Melting Point


    Boiling point


    Molecular Weight


    Thermal Conductivity

    3.15W/m K

    Specific Heat

    920 J/(kg K)

    Thermal Expansion

    C 9×106   C 14 ×106 / K

    Hardness (Knoop)

    415,576 kg/mm2

    Hardness (Mho)


    Young’s Modulus

    138.5 GPa

    Shear Modulus

    54.66 GPa

    Bulk Modulus

    101.32 GPa

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