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)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.437387571λ^2}{λ^2-0.00173799328}+\frac{0.449211397λ^2}{λ^2-0.00782718648}+\frac{0.152068715λ^2}{λ^2-0.0124086125}+\frac{13.0020420λ^2}{λ^2-4039.76541}$$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
INFO
Calcium fluoride, CaF2
Other names
- Calcium difluoride
- Calcium(II) fluoride
Mineral
- Fluorite (fluorspar)