Curved plasma channels: Kerr lens and Airy prism

Details Curved plasma channels: Kerr lens and Airy prism Curved plasma channels: Kerr lens and Airy prism

2010-11-07

arxiv.org/abs/1011.1627v1

Journal of the European Optical Society - Rapid Communications 4, 09039 (2009)

Physics

Optics

10 pages, 4 figures (6 panels)

Scientific paper

10.2971/jeos.2009.09039

We analytically calculate the transverse energy fluxes that would be respectively induced in high-power Airy beams by the Kerr self-focusing and the Airy profile itself if they were the only active process. 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.

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