Refractive index database




Optix.eXpert is our new website that aims at connecting optical professionals with employers looking to outsource optics related work. Sign up and fill out a short form to start offering your service!

Optical constants of SF6 (Sulphur hexafluoride)
Vukovic et al. 1996: n 0.6-1.3 µm

Wavelength: µm
 (0.6 – 1.3)  

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]


Conditions & Spec sheet

n_absolute: true
wavelength_vacuum: true
temperature: 15 °C
pressure: 101325 Pa


Dispersion formula is based on refraction measurement at only two wavelengths: 0.633 µm and 1.3 µm


1) D. Vukovic, G. A. Woolsey, G. B. Scelsi. Refractivities of SF6 and SFO2 at wavelengths of 632.99 and 1300 nm, J. Phys. D: Appl. Phys., 29, 634–637 (1996)
2) M. Sneep and W. Ubachs. Direct measurement of the Rayleigh scattering cross section in various gases, J. Quant. Spectrosc. Radiat. Transfer 92, 293-310 (2005)
*Ref. 2 provides a dispersion formula based on data from Ref. 1


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


Sulfur hexafluoride, SF6

Other names

  • Sulfur(VI) fluoride
  • Elagas
  • Esaflon
  • Hexafluoro-λ6-sulfane

External links