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Infrared Optical Material - LiF Crystal

Used as Infrared and UV window, lens, prism and X-ray spectrometer.

Physical properties:
Refractive Index nD=1.394, n(5μ)=1.394
Melting point 884°C
Density 2.64g/cm3
Hardness,Mohs 3
Cleavage plane [100]
Solubility in water 0.27g/100gH2O
Thermal expansion coefficient 3.195×10-5/°C
Transmission range 0.11-6.5μm
Thermal conductivity 0.0249c/g.°C.cm.s.
Dispersion nf-nc=0.00393
Diameter <200mm

Infrared Optical Material

LiF Crystal