RefractiveIndex.INFO

Refractive index database


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Optical constants of CaF2 (Calcium fluoride)
Daimon and Masumura 2002: n 0.138-2.326 µm; 25 °C

Wavelength: µm
 (0.138 – 2.326)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.437387571λ^2}{λ^2-0.00173799328}+\frac{0.449211397λ^2}{λ^2-0.00782718648}+\frac{0.152068715λ^2}{λ^2-0.0124086125}+\frac{13.0020420λ^2}{λ^2-4039.76541}$$

Comments

25 °C, Nitrogen atmosphere

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)

Data

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

INFO

Calcium fluoride, CaF2

Other names

  • Calcium difluoride
  • Calcium(II) fluoride

Mineral

  • Fluorite (fluorspar)

External links