Determination of the higher-order nonlinear optical susceptibility of resonant media by methods of multiwave mixing

Alexei L. Tolstik

doi:10.1117/12.330458

6 November 1998 Determination of the higher-order nonlinear optical susceptibility of resonant media by methods of multiwave mixing

Alexei L. Tolstik

Author Affiliations +

Proceedings Volume 3580, Photoconversion: Science and Technologies; (1998) https://doi.org/10.1117/12.330458
Event: Photoconversion: Science and Technologies, 1997, Warsaw, Poland

Abstract

For the purpose of determining the higher-order nonlinear optical susceptibility the diffraction method based on investigation into the Fourier-expansion spatial components for the anharmonic grating of a refractive index has been used. Condition of the second-order Bragg diffraction is satisfied through doubling of the recording-wave frequency. This variant of diffraction method has been theoretically studied for the resonant media modeled by three- and four- level schemes taking into consideration the transitions between the molecular excited states. Experimentally, the method proposed for measurements of the higher order nonlinearities has been realized with the use of the six- wave mixing of monopulse YAG laser radiation in the solution of polymethine dye.

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Alexei L. Tolstik "Determination of the higher-order nonlinear optical susceptibility of resonant media by methods of multiwave mixing", Proc. SPIE 3580, Photoconversion: Science and Technologies, (6 November 1998); https://doi.org/10.1117/12.330458

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