Self-focusing of a focused femtosecond laser pulse in air |
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| Authors: | Y. E. Geints A. A. Zemlyanov |
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| Affiliation: | 1. Zuev Institute of Atmospheric Optics SB RAS, Zuev Square 1, Tomsk, 634021, Russia
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| Abstract: | The regularities of self-focusing and filamentation of spatially focused ultra-short laser radiation in air are theoretically considered. The relationship between beam focusing sharpness and effective characteristics of the filamentation zone is investigated. The formation of ‘narrow’ and ‘wide’ light filaments compared to that of collimated radiation filamentation, upon high-power focused laser pulse propagation, is established. |
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