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Proceedings Paper

Ultrafast Nonlinear Laser Spectroscopy: The Role Of Inertia In The Femtosecond Dynamics Of The Optical Kerr Effect In Molecular Liquids
Author(s): Geraldine A. Kenney-Wallace; Dale McMorrow; William T. Lotshaw; Constantinos Kalpouzos; Robert Kitchenham
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Paper Abstract

The optical Kerr response of liquid CS2, nitrobenzene and chlorobenzene is probed with 65 femtosecond optical pulses centered at 633 nm. We observe a clearly separable instan-taneous signal contribution in each system that is attributed to the incoherent (dephased) electronic part of the third order nonlinear susceptibility χ(3). In addition to this instantaneous component, each system exhibits a multicomponent decay characterized by two components in CS2 and three in the substituted benzenes. Finally, we note that the prevailing theory of the optical Kerr effect fails to describe the short time behavior of the measured response in each liquid, apparently requiring the inclusion of an inertial term in the equation of motion for the induced birefringence.

Paper Details

Date Published: 1 January 1987
PDF: 8 pages
Proc. SPIE 0742, Laser Applications to Chemical Dynamics, (1 January 1987); doi: 10.1117/12.966904
Show Author Affiliations
Geraldine A. Kenney-Wallace, University of Toronto (Canada)
Dale McMorrow, University of Toronto (Canada)
William T. Lotshaw, University of Toronto (Canada)
Constantinos Kalpouzos, University of Toronto (Canada)
Robert Kitchenham, University of Toronto (Canada)

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

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