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Proceedings Paper

First-order hyperpolarizabilities of multipolar molecules: experimental and theoretical analysis
Author(s): Xue-Lin Yang; Remi Anemian; Thomas Zabulon; Chantal Andraud; Sophie Brasselet; Isabelle N. Ledoux-Rak; Joseph Zyss
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Paper Abstract

By Hyper-Rayleigh Light Scattering (HLS) experiments, we obtained the first-order hyperpolarizabilities (beta) for a series of 1D polyeno-dipolar and C3h polyenoctupolar molecules. Theoretically, we applied the additive model to analyze (beta) for multipolar nonlinear optical (NLO) molecules. The hyperpolarizability is dissected into an additive term and an interaction term, and the equations for evaluating the additive (beta) A and interaction (beta) I terms were derived for multipolar molecules. The structure and substituent effects were analyzed for various planar C3h and C2v multipolar molecules, based on the calculation results of the (beta) ijk from a CNDO/S program. The relations of experimental (parallel)(beta) (parallel) with conjugation lengths were given, which agree well with out theoretical results.

Paper Details

Date Published: 29 November 2000
PDF: 8 pages
Proc. SPIE 4106, Linear, Nonlinear, and Power-Limiting Organics, (29 November 2000); doi: 10.1117/12.408533
Show Author Affiliations
Xue-Lin Yang, Ecole Normale Superieure de Lyon and Shanghai Jiao Tong Univ. (China)
Remi Anemian, Ecole Normale Superieure de Lyon (France)
Thomas Zabulon, Ecole Normale Superieure de Lyon (France)
Chantal Andraud, Ecole Normale Superieure de Lyon (France)
Sophie Brasselet, Ecole Normale Superieure de Cachan (France)
Isabelle N. Ledoux-Rak, Ecole Normale Superieure de Cachan (France)
Joseph Zyss, Ecole Normale Superieure de Cachan (France)

Published in SPIE Proceedings Vol. 4106:
Linear, Nonlinear, and Power-Limiting Organics
Manfred Eich; Christopher M. Lawson; Mark G. Kuzyk; Manfred Eich; Mark G. Kuzyk; Christopher M. Lawson; Robert A. Norwood, Editor(s)

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