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Multifilamentation of femtosecond laser pulses induced by small-scale air turbulence

Paunescu, Gabriela and Spindler, Gerhard and Riede, Wolfgang and Schröder, Helmut and Giesen, Adolf (2009) Multifilamentation of femtosecond laser pulses induced by small-scale air turbulence. Applied Physics B, 96 (1), pp. 175-186. Springer. ISSN 0946-2171 (Print); 1432-0649 (Online).

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We report on experimental and numerical investigations of femtosecond pulse propagation locally disturbed by the turbulent flow field of a hot-air blower. The experiments show that turbulence may shorten the collapse/filamentation distance and induce the onset of multiple filaments. This is supported by numerical simulations indicating that the high spatial frequency part of the turbulence spectrum plays a significant role.

Item URL in elib:https://elib.dlr.de/58881/
Document Type:Article
Title:Multifilamentation of femtosecond laser pulses induced by small-scale air turbulence
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Paunescu, Gabrielagabriela.paunescu (at) dlr.deUNSPECIFIED
Spindler, Gerhardgerhard.spindler (at) dlr.deUNSPECIFIED
Riede, Wolfgangwolfgang.riede (at) dlr.deUNSPECIFIED
Schröder, Helmuthelmut.schröder (at) dlr.deUNSPECIFIED
Giesen, Adolfadolf.giesen (at) dlr.deUNSPECIFIED
Date:June 2009
Journal or Publication Title:Applied Physics B
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 175-186
Series Name:Lasers and Optics
ISSN:0946-2171 (Print); 1432-0649 (Online)
Keywords:fs laser pulses, filament, multifilamentation, air turbulence
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Paunescu, Dr. Gabriela
Deposited On:20 Jul 2009 21:32
Last Modified:10 Jan 2019 15:46

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