Journal of Experimental and Theoretical Physics

, Volume 102, Issue 6, pp 894–901

Low-frequency transition radiation from a short laser pulse at the plasma boundary

  • L. M. Gorbunov
  • A. A. Frolov
Atoms, Molecules, Optics

Abstract

The transition radiation that appears when a short laser pulse crosses the vacuum-plasma boundary and that is attributable to an vortex electric current produced at the plasma boundary by averaged ponderomotive forces has been considered for the first time. The spectral, angular, and spatiotemporal characteristics of the transition radiation in a vacuum are analyzed. It is shown that under typical conditions of present-day laser plasma experiments, the frequency of the transition radiation lies in the terahertz range and its power can reach several megawatts.

PACS numbers

52.25.Os 52.38.-r 

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Copyright information

© Pleiades Publishing, Inc. 2006

Authors and Affiliations

  • L. M. Gorbunov
    • 1
  • A. A. Frolov
    • 2
  1. 1.Lebedev Institute of PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.Institute for High Energy DensitiesRussian Academy of SciencesMoscowRussia

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