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Control of Multiple Filamentation of Femtosecond Laser Pulses in Air


The results are presented of experiments on controlling the characteristics of the multiple filamentation domain of femtosecond laser pulses along atmospheric paths via variations in the initial spatial focusing, beam radius, and pulse energy, as well as the optical field structure at the initial beam aperture.

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Correspondence to A. A. Zemlyanov.

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Translated by O. Ponomareva

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Apeksimov, D.V., Geints, Y.E., Zemlyanov, A.A. et al. Control of Multiple Filamentation of Femtosecond Laser Pulses in Air. Atmos Ocean Opt 33, 42–50 (2020).

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  • laser radiation
  • femtosecond pulse
  • self-focusing
  • filamentation
  • postfilamentation light channel
  • bimorph deformable mirror