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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper QTuA3

First hyperpolarizability of octopolar ions by hyper-Rayleigh scattering

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Abstract

Octopolar molecules represent a new class of molecules that are potentially useful for nonlinear-optical applications.1 However, because of the absence of a dipole moment in octopolar species, the experimental determination of the first hyperpolarizability β with the well-known elcctric-field-induced second-harmonic-generation (EFISHG) technique is impossible. The recently developed technique of hyper-Rayleigh scattering (HRS) in solution is capable of experimentally determining the values of the first hyperpolarizability [5 of nonpolar, and even of ionic, species since no orienting dc electrical field is needed in HRS.3

© 1993 Optical Society of America

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