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Conical Forward THz Emission from Femtosecond-Laser-Beam Filamentation in Air

Ciro d'Amico 1 Aurélien Houard 1 Michel Franco 1 Bernard Prade 1 André Mysyrowicz 1, * Arnaud Couairon 2 Vladimir Tikhonchuk 3
* Corresponding author
1 LOA - Laboratoire d'optique appliquée
2 CPHT - Centre de Physique Théorique [Palaiseau]
3 CELIA - Centre d'Etudes Lasers Intenses et Applications
Abstract : We attribute a strong forward directed THz emission from femtosecond laser filaments in air to a transition-Cherenkov emission from the plasma space charge moving behind the ionization front at light velocity. Distant targets can be easily irradiated by this new source of THz radiation.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00455111
Contributor : Aurélien Houard <>
Submitted on : Tuesday, February 9, 2010 - 3:26:26 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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CNRS | CELIA | X-LOA | X-CPHT | X | PARISTECH | ENSTA_LOA | ENSTA | CEA | X-DEP-PHYS | DAM

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Ciro d'Amico, Aurélien Houard, Michel Franco, Bernard Prade, André Mysyrowicz, et al.. Conical Forward THz Emission from Femtosecond-Laser-Beam Filamentation in Air. Physical Review Letters, American Physical Society, 2007, 98 (23), pp.235002. ⟨10.1103/PhysRevLett.98.235002⟩. ⟨hal-00455111⟩

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