Optical constants of LiI (Lithium iodide)
Li 1976: n 0.25–25 µm
Wavelength:
µm
(0.25–25)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=2.55+\frac{0.25λ^2}{λ^2-0.171^2}+\frac{7.23λ^2}{λ^2-70.42^2}$$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 derivation is based on a single data point and knowledge of the dielectric constants and the characteristic absorption peaks.