Quadratic nonlinear optical properties of novel pyridinium salts

Benjamin J. Coe, Lathe A. Jones, James A. Harris, Inge Asselberghs, Kurt Wostyn, Koen Clays, Andre Persoons, Bruce S. Brunschwig, Javier Garin, Jesus Orduna

    Research output: Chapter in Book/Conference proceedingConference contribution

    Abstract

    A number of novel salts of dipolar cations containing dimethylamino electron donor and pyridinium electron acceptor groups have been prepared and studied by using various physical techniques including hyper-Rayleigh scattering and Stark (electroabsorption) spectroscopy. In addition to showing very large molecular static first hyperpolarizabilities, several of these salts exhibit pronounced bulk quadratic nonlinear optical effects. Related compounds in which the electron donor is a pyridyl-coordinated ruthenium(II) ammine centre have also been investigated, allowing interesting comparisons to be made between transition metal-containing and purely organic nonlinear optical chromophores.
    Original languageEnglish
    Title of host publicationProceedings of SPIE - The International Society for Optical Engineering|Proc SPIE Int Soc Opt Eng
    EditorsM.G. Kuzyk, M. Eich, R.A. Norwood
    Pages122-136
    Number of pages14
    Volume5212
    Publication statusPublished - 2003
    EventLinear and Nonlinear Optics of Organic Materials III - San Diego, CA
    Duration: 1 Jul 2003 → …

    Conference

    ConferenceLinear and Nonlinear Optics of Organic Materials III
    CitySan Diego, CA
    Period1/07/03 → …

    Keywords

    • Hyper-Rayleigh scattering
    • Pyridinium salts
    • Ruthenium complexes
    • Stark spectroscopy

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