First-order hyperpolarizabilities of multipolar molecules: experimental and theoretical analysis

Xue-Lin Yang; Remi Anemian; Thomas Zabulon; Chantal Andraud; Sophie Brasselet; Isabelle N. Ledoux-Rak; Joseph Zyss

doi:10.1117/12.408533

29 November 2000 First-order hyperpolarizabilities of multipolar molecules: experimental and theoretical analysis

Xue-Lin Yang, Remi Anemian, Thomas Zabulon, Chantal Andraud, Sophie Brasselet, Isabelle N. Ledoux-Rak, Joseph Zyss

Proceedings Volume 4106, Linear, Nonlinear, and Power-Limiting Organics; (2000) https://doi.org/10.1117/12.408533
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

By Hyper-Rayleigh Light Scattering (HLS) experiments, we obtained the first-order hyperpolarizabilities (beta) for a series of 1D polyeno-dipolar and C_3h 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 C_3h and C_2v 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.

Citation Download Citation

Xue-Lin Yang, Remi Anemian, Thomas Zabulon, Chantal Andraud, Sophie Brasselet, Isabelle N. Ledoux-Rak, and Joseph Zyss "First-order hyperpolarizabilities of multipolar molecules: experimental and theoretical analysis", Proc. SPIE 4106, Linear, Nonlinear, and Power-Limiting Organics, (29 November 2000); https://doi.org/10.1117/12.408533

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