Ground state vibrational wave-packet and recovery dynamics studied by time-resolved CARS and pump-CARS spectroscopy

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DOIResolve DOI: http://doi.org/10.1002/jrs.1441
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TypeArticle
Journal titleJournal of Raman Spectroscopy
Volume37
Issue1-3
Pages397403; # of pages: 7
AbstractRecent experiments on gaseous iodine and beta-carotene are analyzed within a wave-packet description of femtosecond-time resolved four-wave mixing spectroscopy. Employing the same formalism, two different experimental setups, both established in the Kiefer group, are treated. In a transient four-wave-mixing (FWM) experiment, where two pulses interact simultaneously with the system, the interaction with a third time-delayed pulse leads to light emission reflecting ground state vibrational dynamics in I2. On the other hand, delaying a FWM-pulse sequence with respect to a single pump pulse interacting with beta-carotene yields a signal that is directly proportional to the population of a selected nuclear eigenstate in the electronic ground state. Thus, within this setup, it is possible to monitor ground-state re-population dynamics mode specifically. Copyright ? 2006 John Wiley & Sons, Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
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NPARC number12339259
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Record identifier873f8e06-a798-4b0c-a853-634c8feb8db1
Record created2009-09-11
Record modified2016-05-09
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