Microwave absorption coefficients of atmospheric pollutants and constituents

Calculations of the transition frequencies and absorption coefficients of microwave rotational transitions are given for a number of atmospheric pollutants and constituents. New measurements of the absorption coefficients are made in the vicinity of 70 GHz. The apparatus used in these measurements i...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 1977-01, Vol.18 (1), p.47-64
Main Authors: Kolbe, W.F., Buscher, H., Leskovar, B.
Format: Article
Language:English
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Summary:Calculations of the transition frequencies and absorption coefficients of microwave rotational transitions are given for a number of atmospheric pollutants and constituents. New measurements of the absorption coefficients are made in the vicinity of 70 GHz. The apparatus used in these measurements is briefly described. The calculated absorption coefficients are compared with these measurements and with existing measurements at other frequencies where available. Transitions with frequencies up to about 200 GHz are considered for the molecules and radicals SO 2, O 3, H 2O, NO 2, H 2S, H 2CO, NH 3, CO, OCS, N 2O, NO, OH, O 2, SO. Also discussed are criteria for the selection of appropriate transitions for the development of high sensitivity monitors to be used in air pollution and combustion research.
ISSN:0022-4073
1879-1352
DOI:10.1016/0022-4073(77)90127-3