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

T. Verbiest; F. Meyers; J. L. Brédas; 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, J. L. Brédas, K. Clays, A. Persoons

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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 - Apr 1993
Externally published	Yes

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 D3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability βxxx [(7 ± 1.5) × 10−30 esu, independent of the solvent] are in good agreement with the results from quantum-chemical calculations.",

author = "T. Verbiest and F. Meyers and Br{\'e}das, {J. L.} and K. Clays and A. Persoons",

year = "1993",

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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 - Brédas, J. L.

AU - Clays, K.

AU - Persoons, A.

PY - 1993/4

Y1 - 1993/4

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 D3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability βxxx [(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 D3h symmetry, no electric-field-induced second-harmonic-generation experiments are possible. The experimental values for the first hyperpolarizability βxxx [(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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JO - Optics letters

JF - Optics letters

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ER -

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

Abstract

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