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Electric events synchronized with laser filaments in thunderclouds

Ackermann, Roland
André, Yves-Bernard
Méchain, Grégoire
Méjean, Guillaume
Prade, Bernard
Rohwetter, Philipp
Salmon, Estelle
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Published in Optics express. 2008, vol. 16, no. 8, 5757
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.
Keywords Atmospheric propagationUltrafast lasersSelf-action effectsUltrafast nonlinear opticsPlasmasLightning control
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Research groups ISE Climat
ISE Pôle Sciences
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KASPARIAN, Jérôme et al. Electric events synchronized with laser filaments in thunderclouds. In: Optics express, 2008, vol. 16, n° 8, p. 5757. doi: 10.1364/OE.16.005757 https://archive-ouverte.unige.ch/unige:37869

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Deposited on : 2014-06-16

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