Self-focusing and soliton propagation of light pulses in photorefractive media

Delphine Wolfersberger; Nicolas Fressengeas; Jean Maufoy; Godefroy Kugel

doi:10.1117/12.328615

4 December 1998 Self-focusing and soliton propagation of light pulses in photorefractive media

Delphine Wolfersberger, Nicolas Fressengeas, Jean Maufoy, Godefroy Kugel

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328615
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

The paper presents a theoretical and experimental investigation of the self-focusing of a laser pulse in a photorefractive medium on a nanosecond time-scale. For times shorter than the dielectric recombination time, we analyze the space-charge field build-up with time and space and provide strong hints on the short time self-focusing of a narrow powerful beam. In order to validate our theoretical and numerical analysis, systematic investigations were performed on a Bi₁₂TiO₂₀ crystal, which show that under the influence of an applied electric field, a beam can be self-focused in a very short time.

Citation Download Citation

Delphine Wolfersberger, Nicolas Fressengeas, Jean Maufoy, and Godefroy Kugel "Self-focusing and soliton propagation of light pulses in photorefractive media", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328615

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