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Atmospheric and Oceanic Optics

2019 year, number 9

Control of characteristics of multiple filamentation of femtosecond laser pulses in air

D.V. Apeksimov, Yu.E. Geints, A.A. Zemlyanov, A.M. Kabanov, G.G. Matvienko, V.K. Oshlakov
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, Tomsk, Russia
Keywords: лазерное излучение, фемтосекундный импульс, самофокусировка, филаментация, постфиламентационный световой канал, биморфное деформируемое зеркало, laser radiation, femtosecond pulse, self-focusing, filamentation, postfilamentation light channel, bimorphic deformable mirror


We present the results of studies on controlling the characteristics of the multiple filamentation domain of femtosecond laser pulses on atmospheric paths using variable initial spatial focus, beam radius, and pulse energy, as well as the structure of the light field at the initial beam aperture.