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Coherent and incoherent radial THz radiation emission from femtosecond filaments in air

Ciro d'Amico 1 Aurélien Houard 1 Michel Franco 1 Bernard Prade 1 André Mysyrowicz 1
1 LOA - Laboratoire d'optique appliquée
Abstract : We show that the THz radiation emitted in the radial direction by a femtosecond filament created in air is linearly polarized and coherent. By applying an electric field along the filament axis this THz radiation is strongly enhanced and becomes incoherent and not polarized.
Keywords : laser terahertz filamentation
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Journal articles
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https://hal-polytechnique.archives-ouvertes.fr/hal-00454588
Contributor : Aurélien Houard <>
Submitted on : Monday, February 8, 2010 - 8:24:49 PM
Last modification on : Tuesday, October 6, 2020 - 4:30:48 PM

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Ciro d'Amico, Aurélien Houard, Michel Franco, Bernard Prade, André Mysyrowicz. Coherent and incoherent radial THz radiation emission from femtosecond filaments in air. Optics Express, Optical Society of America - OSA Publishing, 2007, 15 (23), pp.15274. ⟨10.1364/OE.15.015274⟩. ⟨hal-00454588⟩

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