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Proceedings Paper

Investigation Of Ultrafast Molecular Dynamics Of Liquids Via Coherent, Time-Resolved Fourier Transform Spectroscopy
Author(s): William T. Lotshaw; Dale McMorrow; Geraldine A. Kenney-Wallace
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Paper Abstract

The molecular dynamics of liquids in the frequency range 100 GHz to tens of THz are conveniently interrogated with broadband femtosecond laser pulses through the time resolved optical Kerr effect. .The molecular dynamics are extracted from the data by a combination of the traditional semi-log plot analysis for diffusive relaxations, and a novel Fourier transform analysis for the intra- and inter molecular vibrational dynamics. These techniques are applied to the optical Kerr dynamics of liquid iodobenzene at room temperature, providing evidence for the presence of both librational motion (at short times) and diffusive reorientation (at longer times) about two distinct molecular axes.

Paper Details

Date Published: 1 February 1989
PDF: 7 pages
Proc. SPIE 0981, High Speed Photography, Videography, and Photonics VI, (1 February 1989); doi: 10.1117/12.948651
Show Author Affiliations
William T. Lotshaw, University of Toronto (Canada)
Dale McMorrow, University of Toronto (Canada)
Geraldine A. Kenney-Wallace, University of Toronto (Canada)


Published in SPIE Proceedings Vol. 0981:
High Speed Photography, Videography, and Photonics VI
Gary L. Stradling, Editor(s)

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