RefractiveIndex.INFO

Refractive index database


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Optical constants of KF (Potassium fluoride)
Li 1976: n 0.15-22 µm

Wavelength: µm
 (0.15 – 22)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=0.55083+\frac{0.29162λ^2}{λ^2-0.126^2}+\frac{3.60001λ^2}{λ^2-51.55^2}$$

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.

Data

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

INFO

Potassium fluoride, KF

Other name

  • Potassium(I) fluoride

External links