The first hyperpolarizability of some chiral carboxylates by hyper-Rayleigh scattering measurements and theoretical calculations

O. Castellano; X. Hernandez; N. Cubillan; M. Giffard; Mamadou Sylla; Xuan Nguyen Phu; H. Soscun; Aristides Alfredo Marcano O.

doi:10.1117/12.589239

21 October 2004 The first hyperpolarizability of some chiral carboxylates by hyper-Rayleigh scattering measurements and theoretical calculations

O. Castellano, X. Hernandez, N. Cubillan, M. Giffard, Mamadou Sylla, Xuan Nguyen Phu, H. Soscun, Aristides Alfredo Marcano O.

Author Affiliations +

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.589239
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

We report the quadratic hyperpolarizability βs of newly synthesized chirals carboxylates salts. These nonlinear optical coefficients have been measured using Hyper-Rayleigh scattering (HRS) technique in solution. Before nonlinear measurements, the different compounds under study were characterized by resonance magnetic nuclear of protons and absorption spectra. They were shown to be completely transparent to the absorption in the UV-Visible and near-infrared region of the spectrum: spectra of solutions in methanol, recorded on an ATI-UNICAM spectrometer in range 250 - 1100 nm show no absorption above 350 - 400 nm. HRS measurements are made by using methanol as solvent and the values of the nonresonant hyperpolarisabilities obtained are of the same order of magnitude that that of the paranitroaniline and are located beween 30x10-³⁰ esu and 60x10-³⁰ esu.

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O. Castellano, X. Hernandez, N. Cubillan, M. Giffard, Mamadou Sylla, Xuan Nguyen Phu, H. Soscun, and Aristides Alfredo Marcano O. "The first hyperpolarizability of some chiral carboxylates by hyper-Rayleigh scattering measurements and theoretical calculations", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.589239

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