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Optical Engineering

Assessment of third-order optical nonlinearities in conjugated organic polymers
Author(s): Claire L. Callender; Lucie Robitaille; Mario Leclerc
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Paper Abstract

Third-order nonlinear optical susceptibilities of substituted polythiophenes, polyanilines, and polysilanes have been estimated by third-harmonic generation measurements at 1.053 μm. Values of x3(-3ω,ω,ω,ω) for new polymers-two poly(alkoxyphenylthiophenes), a fluorinated poly(alkylthiophene), and a poly(alkoxyaniline)-were found to be in the range 0.7 x 10-12 to 2.3 x 10-12 esu, similar to those for other substituted polythiophenes and polyanilines. Values of x3(-3ω,ω,ω,ω)) are correlated with the absorption maxima for series of polythiophenes, polysilanes, and polyanilines. Third-order nonlinearities are found to depend strongly on the nature of the polymer backbone and only slightly on substituents.

Paper Details

Date Published: 1 September 1993
PDF: 9 pages
Opt. Eng. 32(9) doi: 10.1117/12.143910
Published in: Optical Engineering Volume 32, Issue 9
Show Author Affiliations
Claire L. Callender, Communications Research Ctr. (Canada)
Lucie Robitaille, Univ. de Montreal (Canada)
Mario Leclerc, Univ. de Montreal (Canada)

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