Cylindrical Lenses
    Spherical Lenses
    Aspherical Lenses
    Achromatic Lenses
    Retardation Plates
    Plano gratings
    optical materials
Home About us Products materials Contact Us

CaF2 Crystal

CaF2 Crystal is an excellent materials in laser optics field. It has very wide transmission range from 130nm to 9500 nm, especially, has the high transmission in IR range. It is used in Lenses, Prisms, Windows and high quality of Achromatic Lenses.
Basic Properties:
Formula CaF2
Transmission range, m 0.15 C 9.0
Density (g/cm3) 3.18
Melting point (C) 1418
Hardness (Mohs) 4
Thermal expansion coefficient (10-6/K) 16.2-19.4
Thermal conductivity (W m-1 K-1)  9.17
Specific heat capacity (J kg-1 K-1)  888
Solubility in water (g/100 cm3)  0.0016
Wavelength (m) 
0.2 0.5 1.0
5.0 10.0 12.0
Refractive index
1.4951 1.4365 1.4289
1.3990 1.3002 1.2299
Absorption coefficient (cm-1)   0.10 at 0.2 m;0.01 at 0.4 m;0.03 at 2.7 m
Dimension(mm)   <=200mm

IR transmission spectrum

UV transmission spectrum

Changchun Hengrun Optoelectronics Tech. Co., Ltd. 

HR Optics is a precision optics manufacturer offering short lead times,
Excellent products, and competitive prices.
286th Torch Road, High-new Technology Development Zone,
Changchun, Jilin province,China.130012
Tel: ++86- 431-88601057++86- 431-88601067 Fax:++86-431-88601082

Home / About us / Products / materials / Contact Us

2006 contact HR Optics for quality optics including beam splitters, filters,
Prismss, windows, mirrors, cylindrical Lenses, Lenses, aspheric Lenses, achromatic Lenses, retardation plates, gratings.