Line shape parameters measurement and computations for self-broadened carbon dioxide transitions in the 30012←00001 and 30013←00001 bands, line mixing, and speed dependence

Citation:

Predoi-Cross A, Unni AV, Liu W, Schofield I, Holladay C, McKellar ARW, Hurtmans D. Line shape parameters measurement and computations for self-broadened carbon dioxide transitions in the 30012←00001 and 30013←00001 bands, line mixing, and speed dependence. Journal of Molecular Spectroscopy. 2007;245:34-51.

Abstract:

Transitions of pure carbon dioxide have been measured using a Fourier transform spectrometer in the 30012‹00001 and30013‹00001 vibrational bands. The room temperature spectra, recorded at a resolution of 0.008 cm1, were analyzed using the Voigtmodel and a Speed Dependent Voigt line shape model that includes a pressure dependent narrowing parameter. Intensities, self-inducedpressure broadening, shifts, and weak line mixing coefficients are determined. The results obtained are consistent with other studies inaddition to the theoretically calculated values. Exponential Power Gap (EPG) and Energy Corrected Sudden (ECS) scaling laws wereused to calculate the relaxation matrix elements. 2007 Elsevier Inc. All rights reserved.

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