Title
Long-distance channeling and focusing of lasers in plasmas
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Stockholm ,
Subject
Physics
Source (journal)
Physica scripta. - Stockholm
Volume/pages
66(2002) :5 , p. 381-384
ISSN
0031-8949
ISI
000179465400008
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The propagation of a short laser beam in plasma is investigated analytically Relativistic ponderomotive force and space charge effects are included, and an equation describing the evolution of the laser spot size is derived. It is shown that self-consistent electron cavitation can lead to self channelling and thus long-distance self-focusing of the laser. The condition for the latter to occur is given.
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