Physics – Optics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983kosis..21..929g&link_type=abstract
Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 21, Nov.-Dec. 1983, p. 929-939. In Russian.
Physics
Optics
4
Atmospheric Optics, Infrared Astronomy, Mars Atmosphere, Planetary Radiation, Venus Atmosphere, Atmospheric Models, Carbon Dioxide, Lasing, Nonequilibrium Conditions, Population Inversion, Solar Radiation
Scientific paper
The model of partial vibrational temperatures is used to study the excitation of vibrational levels of CO2 in the Mars and Venus atmospheres by direct solar radiation at 10.6, 9.4, 4.3, 2.7, and 2.0 microns. The direct conversion of solar radiation (absorbed in the near infrared) into atmospheric emission at 10.6 and 9.4 microns is observed. It is shown that a layer of nonequilibrium IR emission exists at these wavelengths, having (in the case of tangential LOS) a maximum at a height of 108 km for Venus and 60 km for Mars. It is also shown that, at heights not less than 115 km for Venus and not less than 70 km for Mars, there exists a population inversion of the 00(0)1 and 10(0)0 levels, providing for a gain of 5-50 percent for one passage at a tangential LOS.
Gordiets B. F.
Panchenko Ia. V.
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