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Calcium Fluoride CaF2 Crystal Substrates,  MSE Supplies LLC

Calcium Fluoride CaF2 Crystal Substrates

  • $ 6250


Calcium Fluoride Crystal Substrates Properties

Chemical Formula

CaF2

CAS Number 7789-75-5
Crystal Structure Cubic

Lattice Constant

5.462 A

Crystal Orientation (100), (111)
Size

10x10x0.5mm, 10x10x1.0mm, other sizes are available upon request

Surface Polish

Single side polished (SSP) or Double side polished (DSP)

Molecular Weight

78.075 g·mol−1

Appearance

colorless solid

Melting Point

1360 °C

Boiling Point

2533 °C

Density

3.18 g/cm3

Solubility in H2O

0.015 g/L (18 °C)
0.016 g/L (20 °C)

Poisson's Ratio

0.26

Specific Heat

854 J·kg/m·K

Thermal Conductivity

9.71 W/m·K

Thermal Expansion Coefficient

18.85×10−6 /K

Young's Modulus

75.8 GPa

Refractive Index

1.4338

 

Applications of CaF2 crystals

Calcium fluoride is used to manufacture optical components such as windows and lenses, used in thermal imaging systems, spectroscopy, telescopes, and excimer lasers. It is transparent over a broad range from ultraviolet (UV) to infrared (IR) frequencies. Its low refractive index reduces the need for anti-reflection coatings. Its insolubility in water is convenient as well.


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