Frequency dependence of the optical kerr effect and third-order electronic nonlinear-optical processes of organic liquids

M. G. Kuzyk, Robert A Norwood, J. W. Wu, A. F. Garito

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

An experimental study and a theoretical analysis of frequency-dependent optical Kerr effects in material media are presented. Through optimized pump-probe measurement techniques for the frequency dependence of the optical Kerr effect, individual resonant and nonresonant contributions to the third-order nonlinear-optical susceptibility Xijkl (3)(-W2; W1 -W1, w2) can be obtained from the optical Kerr data. Third-order depolarization processes are reviewed to provide the optimum experimental conditions for measuring Xijkl (3)(-W2; W1 -W1, w2) together with the corresponding formalism required for analyzing the frequency-dependent data. The experimental methods are demonstrated by dispersion measurements carried out for nonresonant and resonant optical Kerr effects in the organic Kerr liquids benzene and nitrobenzene. The results for benzene and nitrobenzene are discussed in terms of resonant 7r-electron excitations of each system.

Original languageEnglish (US)
Pages (from-to)154-164
Number of pages11
JournalJournal of the Optical Society of America B: Optical Physics
Volume6
Issue number2
DOIs
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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