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Optical constants of KBr (Potassium bromide)
Li 1976: n 0.20-42 µm

Wavelength: µm
 (0.2 – 42)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=0.39408+\frac{0.79221λ^2}{λ^2-0.146^2}+\frac{0.01981λ^2}{λ^2-0.173^2}+\frac{0.15587λ^2}{λ^2-0.187^2}+\frac{0.17673λ^2}{λ^2-60.61^2}+\frac{2.06217λ^2}{λ^2-87.72^2}$$

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 bromide, KBr

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