Amplification and relaxation of the photoinduced change of refractive index in glass

M. K. Balakirev; L. I. Vostrikova; V. A. Smirnov

doi:10.1117/12.328267

21 October 1998 Amplification and relaxation of the photoinduced change of refractive index in glass

M. K. Balakirev, L. I. Vostrikova, V. A. Smirnov

Proceedings Volume 3485, 11th International Vavilov Conference on Nonlinear Optics; (1998) https://doi.org/10.1117/12.328267
Event: Eleventh International Vavilov Conference on Nonlinear Optics, 1997, Novosibirsk, Russian Federation

Abstract

On our experimental research we observed the amplification and relaxation of optical anisotropy in the glass, induced by the bichromatic radiation, when the glass was illuminated only radiation with the fundamental frequency. The amplification of the anisotropy is established by the degenerate three-waves interaction and the return link, appearing because of the coherent photovoltaic effect. The stationary stable modulation of the refractive-index is depended on the intensity of illumination. The gigantic increase of the second harmonic radiation absorption in the photoinduced gratings was observed. The hypotesa of the demphing of the instability and the building of the stationary periodical gratings of the refractive-index is suggested.

Citation Download Citation

M. K. Balakirev, L. I. Vostrikova, and V. A. Smirnov "Amplification and relaxation of the photoinduced change of refractive index in glass", Proc. SPIE 3485, 11th International Vavilov Conference on Nonlinear Optics, (21 October 1998); https://doi.org/10.1117/12.328267

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