RefractiveIndex.INFO

Refractive index database


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Optical constants of NaCl (Sodium chloride)
Li 1976: n 0.20-30 µm

Wavelength: µm
 (0.2 – 30)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=0.00055+\frac{0.19800λ^2}{λ^2-0.050^2}+\frac{0.48398λ^2}{λ^2-0.100^2}+\frac{0.38696λ^2}{λ^2-0.128^2}+\frac{0.25998λ^2}{λ^2-0.158^2}+\frac{0.08796λ^2}{λ^2-40.50^2}+\frac{3.17064λ^2}{λ^2-60.98^2}+\frac{0.30038λ^2}{λ^2-120.34^2}$$

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 chloride, NaCl

Other names

  • Salt
  • Common salt
  • Table salt
  • Rock salt

Mineral

  • Halite

External links