Vol. 30, issue 12, article # 1

Geints Yu.E., Zemlyanov A.A. Filamentation of an ultrashort laser pulse train in air. // Optika Atmosfery i Okeana. 2017. V. 30. No. 12. P. 1001-1007 [in Russian].
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Abstract:

The 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-mm pulse train allows appreciable 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 the filamentation region characteristics.

Keywords:

ultrashort laser radiation, pulse self-focusing, laser filamentation, laser plasma, pulse train

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