Fast and accurate generation of the curve of growth for the Voigt lineshape

Details Fast and accurate generation of the curve of growth for the Voigt lineshape Fast and accurate generation of the curve of growth for the Voigt lineshape

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jqsrt..49..119v&link_type=abstract

Journal of Quantitative Spectroscopy & Radiative Transfer (ISSN 0022-4073), vol. 49, no. 2, p. 119-127.

Statistics

Computation

6

Absorption Spectra, Curves (Geometry), Line Spectra, Doppler Effect, Spectral Line Width

Scientific paper

A set of relatively simple analytical expressions is given for the rapid computation of the curve growth of a spectral line over the whole range of damping-constant or mixing-parameter values. The computed equivalent width of a pure Gaussian (Doppler broadened) or pure Lorentz (naturally plus collisionally broadened) line-shape is accurate within 1 percent while, for the mixed Voigt lineshape, it is generally accurate within 1 percent, with a maximum of about 5 percent in some narrow regions of the curve of growth.

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