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Optical constants of KI (Potassium iodide)
Li 1976: n 0.25-50 µm

Wavelength: µm
 (0.25 – 50)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=0.47285+\frac{0.16512λ^2}{λ^2-0.129^2}+\frac{0.41222λ^2}{λ^2-0.175^2}+\frac{0.44163λ^2}{λ^2-0.187^2}+\frac{0.16076λ^2}{λ^2-0.219^2}+\frac{0.33571λ^2}{λ^2-69.44^2}+\frac{1.92474λ^2}{λ^2-98.04^2}$$

Comments

297 K (24 °C).

Data

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

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.

More info - wiki

Potassium iodide, KI

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