MgF2

Magnesium fluoride crystal (MgF2) belongs to the tetragonal crystal system, the melting point is 1255, the hardness is high, the mechanical properties are good, the chemical properties are stable, and it is not easy to deliquesce and corrode. The main feature of the optical performance is that it has high transmission in the vacuum ultraviolet band. It is widely used in optical fiber communication, military industry and various optical components.

CasCrysTech (CCT) provides high quality Magnesium fluoride crystal (MgF2) crystal to the clients.

Uses/Applications

It is widely used in optical fiber communication, military industry and various optical components.

Features/Benefits

High hardness;
Good mechanical and chemical properties are good;
Not easy to deliquesce and corrode.
High transmission in the vacuum ultraviolet band.

  • Crystal Structure

    Tetragonal

    Lattice Constant

    a=4.62 Å, c=3.06 Å,

    Melting Point

    1255

    Growth Method

    Bridgeman

    Density

    3.18 (g/cm3)

    Mohs Hardness

    4mohs

    Thermal Expansion

    13.7×10-6/K (c),8.9×10-6/K (c)

    Thermal Conductivity /

    0.3 W/mK@300K

    Refractive Index

    no=1.37608 ne=1.38771(0.7μm)

    Transmission Wavelength

    0.2-6.00μm

    Transmittance

    > 90% @ 0.2-6.00μm

    Dimension

    5x5mm10x10mm20x20mmØ50.8mm.

    Thickness

    0.5mm1.0mmCan be customized

    Polishing

    One side or two sides

    Orientation

    <001>±0.5º

    Crystal Plane Orientation Accuracy

    ±0.5°

    Edge Orientation Accuracy

    Special requirements can reach within 1°

    Bevel Wafer

    According to specific requirements, wafers with edge-oriented crystal planes inclined at a specific angle (inclination angle 1°-45°) can be processed.

    Surface Roughness

    Ra≤10Å5×5µm

    Package

    Class 100 clean bag, Class 1000 super clean room


  • Dimension

    5x5mm,10x10mm, 20x20mm,Ø50.8mm


    Thickness

    0.5mm,1.0mm(Can be customized)