Transverse structure and energy deposition by a subTW femtosecond laser in air: from single filament to superfilament

We traced experimentally transition from a single air filament to the superfilament under action of powerful loosely focused (NA ∼ 0.0021) femtosecond beam. Two regimes were exploited with multifilament formation by artificial amplitude or intrinsic amplitude/phase front modulation of the beam havin...

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Auteurs principaux:	D Pushkarev, E Mitina, D Shipilo, N Panov, D Uryupina, A Ushakov, R Volkov, A Karabutov, I Babushkin, A Demircan, U Morgner, O Kosareva, A Savel’ev
Format:	Artigo
Langue:	Inglês
Publié:	IOP Publishing 2019-01-01
Collection:	New Journal of Physics
Sujets:	femtosecond filamentation volumetric and linear energy density air wideband acoustic detection forward Maxwell equation with resolved driver of the field
Accès en ligne:	https://doi.org/10.1088/1367-2630/ab043f
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