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Proceedings Paper

Features of laser air filamentation at aberration focusing
Author(s): N. G. Ivanov; V. F. Losev Sr.; D. M. Lubenko Sr.; V. E. Prokop'ev Sr.
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Paper Abstract

The effect of astigmatism on laser air filamentation was studied numerically and experimentally. Limited supply of energy to the filament is shown to be the main feature of aberrational focusing, which facilitated the organization of quasi-solitons in the post-filament region. Quasi-solitons are realized due to the balance between linear diffraction and Kerr nonlinearity in the presence of background environment around zones with increased intensity. A highly directional SC of visible light is formed outside the visible filament zone in the resulting spatial quasi-solitons.

Paper Details

Date Published: 16 April 2018
PDF: 8 pages
Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 106141D (16 April 2018); doi: 10.1117/12.2302696
Show Author Affiliations
N. G. Ivanov, Institute of High Current Electronics (Russian Federation)
V. F. Losev Sr., Institute of High Current Electronics (Russian Federation)
National Research Tomsk Polytechnic Univ. (Russian Federation)
D. M. Lubenko Sr., Institute of High Current Electronics (Russian Federation)
V. E. Prokop'ev Sr., Institute of High Current Electronics (Russian Federation)


Published in SPIE Proceedings Vol. 10614:
International Conference on Atomic and Molecular Pulsed Lasers XIII
Andrei M. Kabanov; Victor F. Tarasenko, Editor(s)

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