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Radiofrequency conical emission from femtosecond filaments in air

Benjamin Forestier 1 Aurélien Houard 1 Magali Durand 1 Yves-Bernard André 1 Bernard Prade 1 Jean-Yves Dauvignac 2 Franck Perret 2 Christian Pichot 2 Michel Pellet 3 André Mysyrowicz 1
1 LOA - Laboratoire d'optique appliquée
2 LEAT - Laboratoire d'Electronique, Antennes et Télécommunications
3 Ministère de la défense
Abstract : We show that the broadband conical emission associated with filaments in air extends down to the radiofrequency region. This rf emission which originates from the longitudinal oscillation of charged ions formed during filamentation is strongly enhanced by the presence of a longitudinal static electric field.
Keywords : high-frequency discharges high-speed optical techniques plasma oscillations plasma production by laser filamentation
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https://hal-polytechnique.archives-ouvertes.fr/hal-00472658
Contributor : Aurélien Houard <>
Submitted on : Monday, April 12, 2010 - 7:28:03 PM
Last modification on : Monday, October 12, 2020 - 10:27:29 AM
Long-term archiving on: : Tuesday, September 14, 2010 - 6:35:35 PM

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Benjamin Forestier, Aurélien Houard, Magali Durand, Yves-Bernard André, Bernard Prade, et al.. Radiofrequency conical emission from femtosecond filaments in air. Applied Physics Letters, American Institute of Physics, 2010, 96 (14), pp.141111. ⟨10.1063/1.3378266⟩. ⟨hal-00472658⟩

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