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A novel demonstration of photoacoustic Raman spectroscopy with combined stimulated Raman pumping in H2 molecule
Authors:Ramesh C Sharma
Institution:Department of Physics and Astronomy, The University of Manchester, Oxford Road, M13 9PL Manchester, United Kingdom
Abstract:We present the experimental demonstration of a novel, efficient, and vibrational selective technique to prepare population in vibrational level v″ = 1 using the stimulated Raman pumping. Photoacoustic Raman signal has been studied in non-radiative transitions in the molecule H2 (v″ = 0) and (v″ = 1). The population fraction in the v″ = 1 level can be estimated by using combined photoacoustic Raman spectroscopy with stimulated Raman pumping for the first time.
Keywords:Photoacoustic Raman spectroscopy  Stimulated Raman pumping  Nonlinear spectroscopy  H2 molecule  IR spectroscopy  Laser spectroscopy
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