Nonlinear Optical Probes Of Conjugated Polymers

    Authors

    D. Neher; W. E. Torruellas; K. B. Rochford; M. B. Marques; R. Zanoni; G. Assanto;G. I. Stegeman

    Comments

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    Abbreviated Journal Title

    Synth. Met.

    Keywords

    Cubic Susceptibility Dispersion; One-Dimensional Semiconductors; Thin-Films; Wave-Guides; 3Rd-Order Hyperpolarizability; 3Rd-Harmonic; Generation; 2-Photon Absorption; Organic-Molecules; Refractive-Index; Polarizabilities; Materials Science, Multidisciplinary; Physics, Condensed Matter; Polymer; Science

    Abstract

    Nonlinear optical properties of conjugated polymers can be measured using various techniques, including third-harmonic generation, two-photon absorption, nonlinear grating coupling and interferometry. These methods will be compared with regard to their suitability for obtaining specific parameters. We illustrate the application of these techniques to the study of pi-conjugated polymeric systems, such as poly(4-BCMU), poly(3-decyl-thiophene) and 4-dialkylamino-4'-nitrostilbene (DANS) side-chain polymer, all of them regarded as candidates for the realization of all-optical switching devices, and outline relevance and limits of each technique.

    Journal Title

    Synthetic Metals

    Volume

    49

    Issue/Number

    1-3

    Publication Date

    1-1-1992

    Document Type

    Article

    Language

    English

    First Page

    21

    Last Page

    35

    WOS Identifier

    WOS:A1992JQ21300003

    ISSN

    0379-6779

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