Optical constants of RbI (Rubidium iodide)
Li 1976: n 0.24–64 µm
Wavelength:
µm
(0.24–64)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=0.60563+\frac{0.00947λ^2}{λ^2-0.120^2}+\frac{0.01073λ^2}{λ^2-0.134^2}+\frac{0.00136λ^2}{λ^2-0.156^2}+\frac{0.41864λ^2}{λ^2-0.179^2}+\frac{0.41771λ^2}{λ^2-0.187^2}+\frac{0.13707λ^2}{λ^2-0.223^2}+\frac{2.36091λ^2}{λ^2-132.45^2}$$Comments
297 K (24 °C).
References
H. H. Li. Refractive index of alkali halides and its wavelength and temperature derivatives. J. Phys. Chem. Ref. Data 5, 329-528 (1976) and references therein.
* Sellmeier formula is derived by critical analysis of experimental data from several sources.