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.
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Crystal Structure
Cubic
Density
3.18(g/cm3)
Melt Point
1360℃
Refractive Index
1.39908 at 5um
Solubility
0.0017g/100cm(20℃∕water)
Transmission Wavelength
0.13~11.3μm
Kjeldahl Hardness
158.3(100)
Elasticity Coefficient
C11=164、C12=53、C44=33.7
Apparent Elastic Limit
36.54MPa
Thermal Expansion
18.85×10-6∕K
Orientation
<100>、<001>、<111>±0.5º
Dimension
10x10mm,20x20mm,30x30mm,Ø50.8,Ø76.2 ,Ø100mm
Polishing
One side or two sides
Package
Class 100 clean bag, Class 1000 super clean room
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Dimension
10x10mm,20x20mm,30x30mm,Ø50.8,Ø76.2 ,Ø100mm