Electric events synchronized with laser filaments in thunderclouds

Abstract : We investigated the possibility to trigger real-scale lightning using ionized filaments generated by ultrashort laser pulses in the atmosphere. Under conditions of high electric field during two thunderstorms, we observed a statistically significant number of electric events synchronized with the laser pulses, at the location of the filaments. This observation suggests that corona discharges may have been triggered by filaments.
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Submitted on : Tuesday, February 9, 2010 - 4:19:35 PM
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Jérôme Kasparian, Roland Ackermann, Yves-Bernard André, Grégoire Méchain, Guillaume Méjean, et al.. Electric events synchronized with laser filaments in thunderclouds. Optics Express, Optical Society of America, 2008, 16 (8), pp.5757. ⟨10.1364/OE.16.005757⟩. ⟨hal-00455170⟩



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