Approximate intensities of CO2 hot bands at 2.7, 4.3, and 12 microns for high temperature and medium resolution applications

Details Approximate intensities of CO2 hot bands at 2.7, 4.3, and 12 microns for high temperature and medium resolution applications Approximate intensities of CO2 hot bands at 2.7, 4.3, and 12 microns for high temperature and medium resolution applications

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jqsrt..52..765s&link_type=abstract

Journal of Quantitative Spectroscopy & Radiative Transfer (ISSN 0022-4073), vol. 52, no. 6, p. 765-781

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Absorption Spectra, Carbon Dioxide, Radiative Transfer, Spectral Resolution, Data Bases, High Temperature, Spectroscopic Analysis

Scientific paper

An approximate CO2 spectroscopic data base suitable for high temperature and medium resolution applications has been created. Intensities of (12)C(16)O2 and (13)C(16)O2 hot bands centered in the 2.7, 4.3, and 12 microns spectral regions have been calculated from cold band intensities reported in the 1992 edition of the HITRAN data base by using pragmatic expressions. The energies of the corresponding levels missing in HITRAN have been computed by diagonalization of the Fermi matrix associated to different polyads. The new parameters have been added to the level and band tabulation used in HITRAN '92, which concern the eight most abundant CO2 isotopes. The entire list has then been used to generate line parameters reported in the new data base. Line-by-line calculations using data from HITRAN and this base are compared with available experimental spectra at high temperature (750-2850 K) and medium resolution (1-3/cm). A good agreement is obtained when using the new base.

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