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Curved plasma channels: Kerr lens and Airy prism

Published in Journal of the European Optical Society: Rapid Publications. 2009, vol. 4, no. 09039
Abstract We analytically calculate the transverse energy fluxes induced in high-power Airy beams by the Kerr self-focusing and the Airy profile itself, respectively. In experimental condition representative of laser filamentation experiments of high-power, ultrashort laser pulses in air and condensed media, the Kerr lens induces transverse energy fluxes much larger than the Airy "prism" at the main peak. As a consequence, the curved plasma channels in Airy beams are not only a plasma spark on a curved focus, but indeed self-guided filaments, and their curved trajectory appears as a perturbation due to the linear Airy propagation regime.
Keywords Beam trappingSelf-focusing and defocusingSelf-phase modulationWavefronts and ray tracing
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KASPARIAN, Jérôme, WOLF, Jean-Pierre. Curved plasma channels: Kerr lens and Airy prism. In: Journal of the European Optical Society: Rapid Publications, 2009, vol. 4, n° 09039. https://archive-ouverte.unige.ch/unige:37826

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Deposited on : 2014-06-16

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