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Publication Citation: Laboratory Studies of Oxygen Continuun Absorption

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Author(s): Y I. Baranov; Gerald T. Fraser; Walter J. Lafferty; B Mate; A A. Vigasin;
Title: Laboratory Studies of Oxygen Continuun Absorption
Published: July 01, 2003
Abstract: Laboratory studies of the mid and near infrared collision-induced absorption bands of O2 are reviewed, with an emphasis on the 6.4 m and 1.27 m bands and on Ar, O2, N2, and CO2 collision partners. These absorption bands are important in the radiative balance of the atmosphere and contribute to the background absorption in remote-sensing radiometers. Also discussed is the ripple structure observed on the 6.4 m band, which is absent from the 1.27 m band. This structure has been attributed to dimers or to line mixing involving the weakly allowed electric-quadrupole absorptions. Finally, the strong enhancement of the collision-induced absorption by CO2 collisions is shown.
Conference: NATO Science Series
Proceedings: NATO Advanced Research Workshop on Weakly Interacting Molecular Pairs: Unconventional Absorbers of Radiation in the Atmosphere |||Kluwer Academic Publishers
Volume: 27
Location: Abbaye De Fontevraud, FR
Dates: April 29-May 2, 2002
Keywords: air,atmospheric absorption,collision-induced absorption,continuum absorption,FTIR,infrared intensity,infrared spectroscopy,nitrogen,oxygen
Research Areas: