Applied Physics B

, Volume 76, Issue 5, pp 609–612

Concatenation of plasma filaments created in air by femtosecond infrared laser pulses

  • S. Tzortzakis
  • G. Méchain
  • G. Patalano
  • M. Franco
  • B. Prade
  • A. Mysyrowicz
Rapid communication

Abstract.

We report the first observation of the attachment of two single plasma filaments created collinearly in the atmosphere by IR femtosecond laser pulses. The linked filamentary structure is electrically conductive and emits sub-THz radiation over its entire length. Concatenation is achieved only for a specific time ordering between the two initial laser pulses. The pulse producing the filament closer to the laser source must be retarded with respect to the other pulse. This special time ordering is attributed to the acceleration of light in a self-guided pulse.

PACS: 42.25.Bs; 42.65.Jx; 42.65.Re 

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Copyright information

© Springer-Verlag 2003

Authors and Affiliations

  • S. Tzortzakis
    • 1
  • G. Méchain
    • 1
  • G. Patalano
    • 1
  • M. Franco
    • 1
  • B. Prade
    • 1
  • A. Mysyrowicz
    • 1
  1. 1.Laboratoire d’Optique Appliquée, CNRS UMR 7639, ENSTA – Ecole Polytechnique, Chemin de la Hunière, 91761 Palaiseau Cedex, FranceFR

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