Molecular Dynamics Investigated by Temporally Two-Dimensional Coherent Raman Spectroscopy | Zendy

Andy T. Y. Lau | Zendy; Masahiro Yoshita | Zendy; V. Kozich | Zendy; A. Kummrow | Zendy

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Molecular Dynamics Investigated by Temporally Two-Dimensional Coherent Raman Spectroscopy

Author(s) -

Andy T. Y. Lau,

Masahiro Yoshita,

V. Kozich,

A. Kummrow

Publication year - 1999

Publication title -

laser chemistry

Language(s) - English

Resource type - Journals

eISSN - 1026-8014

pISSN - 0278-6273

DOI - 10.1155/1999/41281

Subject(s) - femtosecond , relaxation (psychology) , raman spectroscopy , chemistry , excitation , nitrobenzene , dynamics (music) , phase (matter) , resonance (particle physics) , molecular physics , chemical physics , coherent anti stokes raman spectroscopy , spectroscopy , molecular dynamics , atomic physics , nuclear magnetic resonance , raman scattering , optics , laser , physics , computational chemistry , quantum mechanics , psychology , social psychology , biochemistry , organic chemistry , acoustics , catalysis

A six-wave set-up is described to determine molecular dynamics in the condensed phase.Applying two independent time delays between excitation and probe pulses additionalinformation on the dynamics should be obtainable. We show experimentally that suchinvestigations can be carried out with noisy light having intensity fluctuations in thefemtosecond region. As first result we found a fast relaxation time in neat nitrobenzeneof 100 fs, becoming even faster in mixtures with low viscosity liquids. Switching on aRaman resonance yields a longer relaxation time, which could be explained by anadditional contribution by that vibration.

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