CaF2

Calcium fluoride (CaF2) crystal has a wide light transmission range (good light transmission performance in the wavelength range of 0.13μm~10μm), low stress birefringence (no obvious intrinsic birefringence above 200nm), uniform refractive index, stable mechanical properties, non-deliquescent, and strong against radiation damage. It is an ideal material for making various optical windows, prisms and lenses.

CasCrysTech (CCT) provides high quality CaF2 crystals.

Uses/Applications

It is an ideal material for making various optical windows, prisms and lenses.

Features/Benefits

Wide light transmission range (good light transmission performance in the wavelength range of 0.13μm~10μm);
Low stress birefringence (no obvious intrinsic birefringence above 200nm);
Uniform refractive index;
Stable mechanical properties, non-deliquescent, and strong against radiation damage.

  • Crystal Structure

    Cubic

    Density

    3.18g/cm3

    Melt Point

    1360℃

    Refractive Index

    1.39908 at 5um

    Solubility

    0.0017g/100cm20℃∕water

    Transmission Wavelength

    0.13~11.3μm

    Kjeldahl Hardness

    158.3100

    Elasticity Coefficient  

    C11=164C12=53C44=33.7

    Apparent Elastic Limit

    36.54MPa

    Thermal Expansion

    18.85×10-6∕K

    Orientation

    <100><001><111>±0.5º

    Dimension

    10x10mm20x20mm30x30mmØ50.8Ø76.2 Ø100mm

    Polishing

    One side or two sides

    Package

    Class 100 clean bag, Class 1000 super clean room


  • Dimension

    10x10mm,20x20mm,30x30mm,Ø50.8,Ø76.2 ,Ø100mm