Abstract
The threshold relation between the strength of laser beam focusing and its peak power is determined for post-focal filamentation on the basis of the experimental data and numerical simulations. The dynamics of the post-focal filamentation can vary (propagating or reconstruction type) depending on the strength of linear beam focusing.
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Original Russian Text © Yu.E. Geints, A.A. Zemlyanov, A.M. Kabanov, G.G. Matvienko, A.N. Stepanov, 2013, published in Optica Atmosfery i Okeana.
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Geints, Y.E., Zemlyanov, A.A., Kabanov, A.M. et al. Filament formation beyond linear focus during femtosecond laser pulse propagation in air. Atmos Ocean Opt 26, 96–103 (2013). https://doi.org/10.1134/S1024856013020097
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DOI: https://doi.org/10.1134/S1024856013020097