Refractivity and dispersion of hydrogen in the visible and near infrared

Details Refractivity and dispersion of hydrogen in the visible and near infrared Refractivity and dispersion of hydrogen in the visible and near infrared

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977josa...67.1550p&link_type=abstract

Optical Society of America, Journal, vol. 67, Nov. 1977, p. 1550-1554.

Astronomy and Astrophysics

Astronomy

17

Hydrogen, Light Scattering, Near Infrared Radiation, Refractivity, Wave Dispersion, Infrared Astronomy, Interferometers, Ultraviolet Radiation, Wavelengths

Scientific paper

A corner-reflector interferometer is used to measure the refractivity of natural hydrogen gas at eighteen wavelengths from 0.4047 to 1.6945 microns. The resulting refractivity at 0.54622252 microns, under standard conditions, is found to be 139.304 x 10 to the -6th. A three-parameter dispersion formula is presented along with a wide-range four-parameter Sellmeier formula which fits both the data obtained and previously reported data. The absolute value reported is about 1/4% smaller than that found in earlier work. Comparisons are made with literature regarding refractivity, dispersion, dielectric constant, molecular polarizability, Rayleigh scattering cross section, and Verdet constant.

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