Direct Observation of Anharmonic Coupling in the Time Domain with Femtosecond Stimulated Raman Scattering

Philipp Kukura, Renee Frontiera, and Richard A. Mathies
Phys. Rev. Lett. 96, 238303 – Published 15 June 2006

Abstract

Off-resonant impulsive Raman excitation is used to initiate nonstationary nuclear motion in low-frequency vibrational modes of deuterio-chloroform. Femtosecond time-resolved stimulated Raman probing of the high-frequency C-D stretch reveals additional vibrational sidebands that arise as a result of anharmonic coupling between the impulsively excited low-frequency and the probed high-frequency vibrations. These experiments illustrate the detailed molecular information on anharmonic and reactive surfaces available from multidimensional femtosecond stimulated Raman techniques.

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  • Received 22 March 2006

DOI:https://doi.org/10.1103/PhysRevLett.96.238303

©2006 American Physical Society

Authors & Affiliations

Philipp Kukura, Renee Frontiera, and Richard A. Mathies*

  • Department of Chemistry, University of California, Berkeley, California 94720, USA

  • *Corresponding author. Electronic address: rich@zinc.cchem.berkeley.edu

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Issue

Vol. 96, Iss. 23 — 16 June 2006

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