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Optical constants of CaF2 (Calcium fluoride)
Daimon and Masumura 2002: n 0.138-2.326 µm; 20 °C

Wavelength: µm
 (0.138 – 2.326)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.443749998λ^2}{λ^2-0.00178027854}+\frac{0.444930066λ^2}{λ^2-0.00788536061}+\frac{0.150133991λ^2}{λ^2-0.0124119491}+\frac{8.85319946λ^2}{λ^2-2752.28175}$$

Comments

20 °C, Nitrogen atmosphere

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

References

M. Daimon and A. Masumura. High-accuracy measurements of the refractive index and its temperature coefficient of calcium fluoride in a wide wavelength range from 138 to 2326 nm, Appl. Opt. 41, 5275-5281 (2002)

More info - wiki

Calcium fluoride, CaF2

Other names

Calcium difluoride, Calcium(II) fluoride

Mineral

Fluorite (fluorspar)

External links