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ECOLE SUPÉRIEURE D'ÉLECTRICITÉ Une grande école d'ingénieurs au cœur des sciences de l'information,de l'énergie et des systèmes |
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Conference papers
Self-focusing and soliton propagation of light pulses in photorefractive media
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.
https://hal-supelec.archives-ouvertes.fr/hal-00256694
Contributor : Sébastien van Luchene <>
Submitted on : Saturday, February 16, 2008 - 5:25:42 PM
Last modification on : Tuesday, July 20, 2021 - 3:03:36 AM
Contributor : Sébastien van Luchene <>
Submitted on : Saturday, February 16, 2008 - 5:25:42 PM
Last modification on : Tuesday, July 20, 2021 - 3:03:36 AM