Curved plasma channel generation using ultraintense airy beams

Pavel G Polynkin, Miroslav Kolesik, Jerome V Moloney, Georgios A. Siviloglou, Demetrios N. Christodoulides

Research output: Contribution to journalArticle

593 Citations (Scopus)

Abstract

Plasma channel generation (or filamentation) using ultraintense laser pulses in dielectric media has a wide spectrum of applications, ranging from remote sensing to terahertz generation to lightning control. So far, laser filamentation has been triggered with the use of ultrafast pulses with axially symmetric spatial beam profiles, thereby generating straight filaments. We report the experimental observation of curved plasma channels generated in air using femtosecond Airy beams. In this unusual propagation regime, the tightly confined main intensity feature of the axially nonsymmetric laser beam propagates along a bent trajectory, leaving a curved plasma channel behind. Secondary channels bifurcate from the primary bent channel at several locations along the beam path. The broadband radiation emanating from different longitudinal sections of the curved filament propagates along angularly resolved trajectories.

Original languageEnglish (US)
Pages (from-to)229-232
Number of pages4
JournalScience
Volume324
Issue number5924
DOIs
StatePublished - Apr 10 2009

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Lasers
Lightning
Air
Observation
Radiation

ASJC Scopus subject areas

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Curved plasma channel generation using ultraintense airy beams. / Polynkin, Pavel G; Kolesik, Miroslav; Moloney, Jerome V; Siviloglou, Georgios A.; Christodoulides, Demetrios N.

In: Science, Vol. 324, No. 5924, 10.04.2009, p. 229-232.

Research output: Contribution to journalArticle

Polynkin, Pavel G ; Kolesik, Miroslav ; Moloney, Jerome V ; Siviloglou, Georgios A. ; Christodoulides, Demetrios N. / Curved plasma channel generation using ultraintense airy beams. In: Science. 2009 ; Vol. 324, No. 5924. pp. 229-232.
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