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Refractive index database


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Optical constants of NaF (Sodium fluoride)
Li 1976: n 0.15–17 µm

Wavelength: µm
 (0.15–17)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=0.41572+\frac{0.32785λ^2}{λ^2-0.117^2}+\frac{3.18248λ^2}{λ^2-40.57^2}$$

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

Sodium fluoride, NaF

Other name

  • Sodium(I) fluoride

External links