Physics
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jqsrt..59..337o&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 59, issue 3-5, pp. 337-344
Physics
3
Carbon Dioxide: Line Broadening, Carbon Dioxide: Infrared Spectra
Scientific paper
He- and N2-broadening coefficients have been measured for the lines Q2 to Q22 of the ν1-ν2 (10001←01101) band of CO2 near 720.80 cm-1, using a tunable diode-laser spectrometer. The collisional widths have been obtained at low perturber pressures by fitting Voigt and Galatry profiles to the measured shapes of the lines. Spectra in the ν1-ν2 band of CO2 in mixture with He and N2 have also been recorded at higher pressures. The deviations observed from an additive superposition of Lorentzian lines have been notably reduced by considering collision-induced line-mixing effects.
Blanquet Gh.
Bouanich Jean-Pierre
Hartmann Michael J.
Ozanne L.
Rodrigues Rodolphe
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