Regularities of propagation of amplitude-modulated high-power femtosecond laser radiation in the air

D. V. Apeksimov; P. A. Babushkin; Yu. E. Geints; A. A. Zemlyanov; G. G. Matvienko; V. K. Oshlakov; A. V. Petrov; E. E. Khoroshaeva

doi:10.1117/12.2644911

7 December 2022 Regularities of propagation of amplitude-modulated high-power femtosecond laser radiation in the air

D. V. Apeksimov, P. A. Babushkin, Yu. E. Geints, A. A. Zemlyanov, G. G. Matvienko, V. K. Oshlakov, A. V. Petrov, E. E. Khoroshaeva

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234111 (2022) https://doi.org/10.1117/12.2644911
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

The experimental results of the features of formation and path propagation of high-intensity light channels under conditions of distortions of the initial profile of a high-power femtosecond laser beam are presented. The distortions are introduced by amplitude modulation of the laser beam with the help of the masks. The use of amplitude masks allows generation of a given number of high-intensity light channels and their controllable filamentation mainly at short (tens of meters) distances of radiation propagation in air.

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D. V. Apeksimov, P. A. Babushkin, Yu. E. Geints, A. A. Zemlyanov, G. G. Matvienko, V. K. Oshlakov, A. V. Petrov, and E. E. Khoroshaeva "Regularities of propagation of amplitude-modulated high-power femtosecond laser radiation in the air", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234111 (7 December 2022); https://doi.org/10.1117/12.2644911

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