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Title

Triggering filamentation using turbulence

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Published in Physical Review. A. 2016
Abstract We study the triggering of single filaments due to turbulence in the beam path for a laser of power below the filamenting threshold. Turbulence can act as a switch between the beam not filamenting and producing single filaments. This 'positive' effect of turbulence on the filament probability, combined with our observation of off-axis filaments suggests the underlying mechanism is modulation instability caused by transverse perturbations. We hereby experimentally explore the interaction of modulation instability and turbulence, commonly associated with multiple-filaments, in the single-filament regime.
Keywords FilamentationTurbulenceWaterModulation instability
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arXiv: 1608.06526
Note 5 pages, 6 figures
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Research groups ISE Pôle Sciences
ISE Climat
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EELTINK, Debbie et al. Triggering filamentation using turbulence. In: Physical Review. A, 2016. https://archive-ouverte.unige.ch/unige:87516

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Deposited on : 2016-09-20

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