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Terahertz Radiation Source in Air Based on Bifilamentation of Femtosecond Laser Pulses

Y. Liu, A. Houard, B. Prade, S. Akturk, A. Mysyrowicz, and V. T. Tikhonchuk
Phys. Rev. Lett. 99, 135002 – Published 25 September 2007
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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.

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  • Received 11 June 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.135002

©2007 American Physical Society

Authors & Affiliations

Y. Liu, A. Houard, B. Prade, S. Akturk, and A. Mysyrowicz*

  • Laboratoire d’Optique Appliquée, ENSTA, Ecole Polytechnique, Teramobile project, CNRS UMR 7639, Palaiseau, 91761, France

V. T. Tikhonchuk

  • Centre Lasers Intenses et Applications, Université Bordeaux 1; CNRS; CEA, UMR 5107, Talence, 33405 France

  • *andre.mysyrowicz@ensta.fr.

See Also

T-rays Where You Want Them

Mike Wofsey
Phys. Rev. Focus 20, 10 (2007)

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Issue

Vol. 99, Iss. 13 — 28 September 2007

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