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Atmospheric and Oceanic Optics

, Volume 31, Issue 6, pp 611–618 | Cite as

Diffraction-Beam Optics of Filamentation: I–Formalism of Diffraction Beams and Light Tubes

  • Yu. E. GeintsEmail author
  • A. A. Zemlyanov
  • O. V. Minina
Nonlinear Optics
  • 9 Downloads

Abstract

The concept of nonstationary diffraction-beam optics of high-power femtosecond laser pulses is presented. According to the concept, the power of a beam propagates along specific light structures—diffraction- beam tubes. These tubes do not intersect and do not exchange energy, but changes in their shape and cross sections during propagation show the effect of physical processes that occur with radiation in the medium. The nonstationary theory is supplemented with evolutionary equations for time-averaged diffraction rays and effective squared radii of diffraction tubes.

Keywords

femtosecond laser pulses self-focusing filamentation diffraction ray diffraction-beam tube 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Yu. E. Geints
    • 1
    Email author
  • A. A. Zemlyanov
    • 1
  • O. V. Minina
    • 1
  1. 1.V.E. Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia

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