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Proceedings Paper

Nonlinear spectroscopy of polydiacetylenes
Author(s): William Eugene Torruellas; Myoungsik Cha; Brian L. Lawrence; George I. Stegeman; Hong Xiang Wang; Akira Takahashi; Shaul Mukamel; Jeffrey S. Meth
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Paper Abstract

The third order susceptibility of a polydiacetylene polymer was investigated by three different nonlinear spectroscopic techniques in order to test two existing microscopic theories which predict the nonlinear response of such molecular systems. We previously found good agreement between a four essential state model and the THG spectra of (pi) -electron conjugated backbone polymers. However, when such a model was extended to two additional third order susceptibility spectra, poor agreement was found. In contrast the recently developed anharmonic oscillator model fitted well all four experimentally obtained spectra of the third order susceptibility.

Paper Details

Date Published: 16 December 1993
PDF: 6 pages
Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165271
Show Author Affiliations
William Eugene Torruellas, CREOL/Univ. of Central Florida (United States)
Myoungsik Cha, CREOL/Univ. of Central Florida (United States)
Brian L. Lawrence, CREOL/Univ. of Central Florida (United States)
George I. Stegeman, CREOL/Univ. of Central Florida (United States)
Hong Xiang Wang, Univ. of Rochester (United States)
Akira Takahashi, Univ. of Rochester (United States)
Shaul Mukamel, Univ. of Rochester (United States)
Jeffrey S. Meth, E.I. du Pont de Nemours & Co., Inc. (United States)


Published in SPIE Proceedings Vol. 2025:
Nonlinear Optical Properties of Organic Materials VI
Gustaaf R. Moehlmann, Editor(s)

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