Nonlinear optical response of colloidal suspensions

W. M. Lee*, R. El-Ganainy, D. N. Christodoulides, K. Dholakia, E. M. Wright

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

90 Citations (Scopus)

Abstract

We experimentally probed the nonlinear optical response of aqueous nano-colloidal suspensions to provide a test of the theoretical approaches that have been proposed for the nonlinearity, namely an exponential model, an artificial Kerr medium, and a non-ideal gas model. The best agreement with experiment is found using the non-ideal gas model for the colloidal suspension which in turn can be used to infer values for the second virial coefficient of the medium and the nonlinear coefficients. (c) 2009 Optical Society of America

Original languageEnglish
Pages (from-to)10277-10289
Number of pages13
JournalOptics Express
Volume17
Issue number12
DOIs
Publication statusPublished - 8 Jun 2009

Keywords

  • ARTIFICIAL KERR MEDIUM
  • NANOSUSPENSIONS
  • INSTABILITIES
  • LIGHT
  • MEDIA

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