Plasma channel localisation during multiple filamentation in air

Journal Article · Mon Dec 31 00:00:00 EST 2007 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2007V037N12ABEH013585· OSTI ID:21466780

Panov, N A; Kosareva, O G; Kandidov, V P ^[1]; Akoezbek, N ^[2]; Scalora, M ^[3]; Chin, S L ^[4]

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1. M. V. Lomonosov Moscow State University, Faculty of Physics, Moscow (Russian Federation)
2. Time Domain Corporation, Huntsville (United States)
3. US Army Aviation and Missile Command, Huntsville (United States)
4. Departement de Physique, de Genie Physique et d'Optique and Centre d'Optique, Photonique et Laser, Universite Laval, Quebec (Canada)

It is shown by numerical simulations that multiple filamentation of a femtosecond laser pulse with a negative initial phase modulation in air leads to an increase in the density of self-induced laser plasma compared to the case when a transform-limited laser pulse of the same duration is used. Simultaneous control of the duration of the chirped pulse and the beam diameter results in an increase in the distance over which the first filament is formed, the length of the plasma channel, and its linear density. (nonlinear optical phenomena)

• OSTI ID: 21466780
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 37, Issue 12; Other Information: DOI: 10.1070/QE2007v037n12ABEH013585; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AIR
COMPUTERIZED SIMULATION
FREQUENCY MODULATION
LASER-PRODUCED PLASMA
LASERS
PHOTON BEAMS
PLASMA DENSITY
PULSES
BEAMS
FLUIDS
GASES
MODULATION
PLASMA
SIMULATION