Time domain investigation on vibrational dephasing and spectral diffusion in CO-doped solid N2 |
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Authors: | Crepin Broquier Dubost Galaup Le Gouet JL Ortega |
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Affiliation: | Laboratoire de Photophysique Moleculaire du CNRS, Universite Paris-Sud, Batiment 210, 91405 Orsay Cedex, France. |
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Abstract: | Infrared picosecond accumulated photon echo experiments have been performed for the first time, using the Orsay Free Electron Laser, on the v = 0-->v = 1 transition of CO in solid nitrogen. The vibrational dephasing time is found to be exceptionally long ( T2>/=120 ns) at low temperature. The analysis of the observed spectral diffusion leads one to assume different energy transfer mechanisms depending on the CO concentration. |
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