Terahertz radiation source in air based on bifilamentation of femtosecond laser pulses

  • Y. Liu
  • , A. Houard
  • , B. Prade
  • , S. Akturk
  • , A. Mysyrowicz
  • , V. T. Tikhonchuk

Research output: Contribution to journalArticlepeer-review

Abstract

A new terahertz (THz) source in air based on the bifilamentation of femtosecond laser pulses is reported. This THz radiation is 1 order of magnitude more intense than the transition-Cherenkov THz emission from femtosecond laser filaments reported recently and shows different angular and polarization properties. We attribute it to the emission from a bimodal transmission line created by two plasma filaments.

Original languageEnglish
Article number135002
JournalPhysical Review Letters
Volume99
Issue number13
DOIs
Publication statusPublished - 25 Sept 2007

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