Determination of the hyperpolarizability of an octopolar molecular ion by hyper-Rayleigh scattering

T. Verbiest; F. Meyers; Jean-Luc Bredas; K. Clays; A. Persoons

doi:10.1364/OL.18.000525

Determination of the hyperpolarizability of an octopolar molecular ion by hyper-Rayleigh scattering

T. Verbiest, F. Meyers, Jean-Luc Bredas, K. Clays, A. Persoons

Physical Science and Engineering

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Abstract

The first observation to our knowledge of a second-order nonlinear optical effect in a nonpolar molecular ion is reported. Hyper-Rayleigh scattering was observed from aqueous and organic solutions of the tricyanomethanide ion [C(CN) ₃ ] ⁻ . Because of the absence of a dipole moment and the presence of a charge in this planar, nonpolar, but highly polarizable molecular anion with D _3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability β _xxx [(7 ± 1.5) × 10 ⁻³⁰ esu, independent of the solvent] are in good agreement with the results from quantum-chemical calculations.

Original language	English (US)
Pages (from-to)	525-527
Number of pages	3
Journal	Optics Letters
Volume	18
Issue number	7
DOIs	https://doi.org/10.1364/OL.18.000525
State	Published - Jan 1 1993

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Determination of the hyperpolarizability of an octopolar molecular ion by hyper-Rayleigh scattering",

abstract = " The first observation to our knowledge of a second-order nonlinear optical effect in a nonpolar molecular ion is reported. Hyper-Rayleigh scattering was observed from aqueous and organic solutions of the tricyanomethanide ion [C(CN) 3 ] − . Because of the absence of a dipole moment and the presence of a charge in this planar, nonpolar, but highly polarizable molecular anion with D 3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability β xxx [(7 ± 1.5) × 10 −30 esu, independent of the solvent] are in good agreement with the results from quantum-chemical calculations.",

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T1 - Determination of the hyperpolarizability of an octopolar molecular ion by hyper-Rayleigh scattering

AU - Verbiest, T.

AU - Meyers, F.

AU - Bredas, Jean-Luc

AU - Clays, K.

AU - Persoons, A.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - The first observation to our knowledge of a second-order nonlinear optical effect in a nonpolar molecular ion is reported. Hyper-Rayleigh scattering was observed from aqueous and organic solutions of the tricyanomethanide ion [C(CN) 3 ] − . Because of the absence of a dipole moment and the presence of a charge in this planar, nonpolar, but highly polarizable molecular anion with D 3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability β xxx [(7 ± 1.5) × 10 −30 esu, independent of the solvent] are in good agreement with the results from quantum-chemical calculations.

AB - The first observation to our knowledge of a second-order nonlinear optical effect in a nonpolar molecular ion is reported. Hyper-Rayleigh scattering was observed from aqueous and organic solutions of the tricyanomethanide ion [C(CN) 3 ] − . Because of the absence of a dipole moment and the presence of a charge in this planar, nonpolar, but highly polarizable molecular anion with D 3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability β xxx [(7 ± 1.5) × 10 −30 esu, independent of the solvent] are in good agreement with the results from quantum-chemical calculations.

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DO - 10.1364/OL.18.000525

M3 - Article

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JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

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Determination of the hyperpolarizability of an octopolar molecular ion by hyper-Rayleigh scattering

Abstract

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