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Proceedings Paper

Picosecond Dynamical Temporal Evolution Of Molecular Ir Absorption Spectra
Author(s): H. S. Kwok; P. Mukherjee
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Paper Abstract

The variation of the collisionless absorption spectral shapes for vibrationally excited SF6 and C2F5C1 as a function of the picosecond probe pulse duration was determined using a two-IR frequency pump-probe scheme. The experiments revealed a spectral narrowing with decreasing pulse duration, similar to a recent observation in C3F7I with a single laser pulse. The observed experimental results are shown to be consistent with a dynamic multi-tier classification of energy levels in the QC of polyatomic molecules. Specifically, the time constants for such a coupling are evaluated to be >20 ps for all the molecules studied.

Paper Details

Date Published: 1 January 1987
PDF: 7 pages
Proc. SPIE 0742, Laser Applications to Chemical Dynamics, (1 January 1987); doi: 10.1117/12.966900
Show Author Affiliations
H. S. Kwok, State University of New York at Buffalo (United States)
P. Mukherjee, State University of New York at Buffalo (United States)

Published in SPIE Proceedings Vol. 0742:
Laser Applications to Chemical Dynamics
Mostafa A. El-Sayed, Editor(s)

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