INVESTIGATION OF VAN DER WAALS COMPLEXES IN A FREE EXPANSION OF $C_2H_2$/X (X=NOBLE GAS) USING CW CAVITY RING-DOWN SPECTROSCOPY IN THE OVERTONE RANGE
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Date
2010
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Ohio State University
Abstract
CW cavity ring down spectroscopy around 1.5 $\mu$m was used to probe a free supersonic expansion of mixed acetylene and noble gas (He, Ne, Ar and Kr). Pure $C_2H_2$ and mixed complexes are observed at sub-Doppler resolution around the 2CH acetylenic band. The effects of the different noble gases on the complexation are discussed. The updated or new spectral analysis of the spectra will be presented.
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Author Institution: Service de Chimie quantique et Photophysique CP160/09, Faculte des Sciences, Universite Libre de Bruxelles (U.L.B.), Av. Roosevelt, 50, B-1050, Bruxelles, Belgium