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Optical constants of CH4 (Methane)
Loria 1909: Gas at 0 ℃; n 0.529–0.659 µm

Wavelength: µm
 (0.529–0.6585)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n=1.00042607+6.1396687\text{×}10^{-6}λ^{-2}$$

Conditions & Spec sheet

n_absolute: true
temperature: 0 ℃
pressure: 101325 Pa

Comments

Standard conditions. 0 ℃, 760 torr (101.325 kPa).

References

S. Loria Über die Dispersion des Lichtes in gasförmigen Kohlenwasserstoffen. Annalen der Physik 334, 605-622 (1909) (in German).

Data

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

INFO

Methane, CH4

Other name

Tetrahydridocarbon

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