Long-range filaments producing upon ultrashort mid-IR laser pulses train filamentation in air: numerical simulations

Yurii E. Geints; Alexander A. Zemlyanov

doi:10.1117/12.2503186

13 December 2018 Long-range filaments producing upon ultrashort mid-IR laser pulses train filamentation in air: numerical simulations

Yurii E. Geints, Alexander A. Zemlyanov

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108330W (2018) https://doi.org/10.1117/12.2503186
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

Results of numerical simulation of self-action in air of a sequence of ultrashort laser pulses with a carrier in the near and mid-IR regions are presented. We show that the use of a 10.6-μm pulse train allows significant elongation of the plasma channel generated during pulse filamentation and enhancement of its spatial connectivity. The filamentation of a submicron pulse train does not visibly change filamentation region parameters.

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Yurii E. Geints and Alexander A. Zemlyanov "Long-range filaments producing upon ultrashort mid-IR laser pulses train filamentation in air: numerical simulations", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108330W (13 December 2018); https://doi.org/10.1117/12.2503186

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