(1) Laboratoire dOptique Appliquée, Centre National de la Recherche Unité Mixte de Recherche 7639, Ecole Nationale Supérieure de Techniques Avancées – Ecole Polytechnique, Chemin de la Hunière, 91761 Palaiseau Cedex, France;(2) Institut dAstrophysique Spatiale – UMR-8617, Université Paris-Sud, bâtiment 121, 91405 Orsay, France
Abstract:
Calorimetric measurements of the THz radiation from plasma filaments created in air by intense IR fs laser pulses were performed. The decay kinetics of the THz radiation from this extended plasma source is shown to be different from that of a localized air plasma source produced by the same laser. PACS 42.65.Wi; 42.65.Re; 52.40.Db
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Optique Appliquée, Centre National de la Recherche Unité Mixte de Recherche 7639, Ecole Nationale Supérieure de Techniques Avancées – Ecole Polytechnique, Chemin de la Hunière, 91761 Palaiseau Cedex, France;(2) Institut d