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Specific collision-induced effects in vibrational Raman spectroscopy of gaseous H2 and consequences in the diagnostics of combustion media
Author(s): Pierre Joubert; Marie-Lise Dubernet; Jeanine Bonamy; Daniel Robert
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Paper Abstract

For the purpose of combustion diagnostics using hydrogen as a probe molecule, the usual perturbing molecules are O2, N2, H2O, etc. For such molecular systems at high temperature, only semiclassical calculations of line broadening parameters are possible. Bykov et al. (Atmos. Oceanic Opt., 5, 587, 1992; ibid. 5, 728, 1992) have recently proposed improvements of a model previously developed by two of the authors, by introducing exact trajectories. The aim of this lecture is to present the first numerical tests of such improvements for the simple H2-He system, for which close coupling calculations are also feasible. A good consistency is obtained with experiment. The extension to molecular systems of practical interest is thus promising.

Paper Details

Date Published: 3 March 1997
PDF: 8 pages
Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); doi: 10.1117/12.267746
Show Author Affiliations
Pierre Joubert, Univ. de Franche-Comte (France)
Marie-Lise Dubernet, Univ. de Franche-Comte (France)
Jeanine Bonamy, Univ. de Franche-Comte (France)
Daniel Robert, Univ. de Franche-Comte (France)

Published in SPIE Proceedings Vol. 3090:
12th Symposium and School on High-Resolution Molecular Spectroscopy
Leonid N. Sinitsa; Yurii N. Ponomarev; Valery I. Perevalov, Editor(s)

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