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Optical constants of CaF2 (Calcium fluoride)
Li 1980: n 0.15-12.0 µm; 20 °C

Wavelength: µm
 (0.15 – 12)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=0.33973+\frac{0.69913λ^2}{λ^2-0.09374^2}+\frac{0.11994λ^2}{λ^2-21.18^2}+\frac{4.35181λ^2}{λ^2-38.46^2}$$

Comments

293 K (20 °C).

Data

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

References

H. H. Li. Refractive index of alkaline earth halides and its wavelength and temperature derivatives. J. Phys. Chem. Ref. Data 9, 161-289 (1980) and references therein.
* Sellmeier formula is derived by critical analysis of experimental data from several sources.

More info - wiki

Calcium fluoride, CaF2

Other names

Calcium difluoride, Calcium(II) fluoride

Mineral

Fluorite (fluorspar)

External links