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Proceedings Paper

Coherence, relaxation, and reaction of solution-phase molecules studied by femtosecond nonlinear spectroscopy: vibrational coherence observed in the third-order optical process
Author(s): Tahei Tahara; Satoshi Takeuchi; Satoru Fujiyoshi; Shigeki Matsuo
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Paper Abstract

Vibrational coherence of the condensed-phase polyatomic molecules was studied by several types of femtosecond time- resolved spectroscopy. The Raman-active vibrational coherence in the ground-state was observed through optically-heterodyned impulsive stimulated Raman scattering (ISRS) spectroscopy. Transient ISRS experiment was also undertaken for the measurement of the low frequency vibrations of the excited state. In transient absorption spectroscopy carried out with a 40-fs time resolution, vibrational coherence was created by ultrashort pump pulses and the wavepacket motion in the excited state was observed for trans-stilbene and diphenylcyclopropenone.

Paper Details

Date Published: 29 May 2002
PDF: 7 pages
Proc. SPIE 4752, ICONO 2001: Ultrafast Phenomena and Strong Laser Fields, (29 May 2002); doi: 10.1117/12.469096
Show Author Affiliations
Tahei Tahara, Institute for Molecular Science, Graduate Univ. of Advanced Studies, and RIKEN (Japan)
Satoshi Takeuchi, Institute for Molecular Science (Japan)
Satoru Fujiyoshi, Graduate Univ. of Advanced Studies (Japan)
Shigeki Matsuo, Institute for Molecular Science (Japan)


Published in SPIE Proceedings Vol. 4752:
ICONO 2001: Ultrafast Phenomena and Strong Laser Fields

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