Eur. Phys. J. Appl. Phys.
Volume 93, Number 1, January 2021
|Number of page(s)||12|
|Published online||17 February 2021|
The laser lightning rod project★
Groupe de Physique Appliquée, Université de Genève,
Ch. de Pinchat 22,
Geneva 4, Switzerland
2 LOA, ENSTA Paris, CNRS, École Polytechnique, Institut Polytechnique de Paris, 828 Bd des Maréchaux, 91762 Palaiseau, France
3 TRUMPF Scientific Lasers GmbH + Co. KG, Feringastr. 10a, 85774 Unterföhring, Germany
4 Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
5 EMC Laboratory, Electrical Engineering Institute, Swiss Federal Institute of Technology, 1015 Lausanne, Switzerland
6 Swisscom Broadcast AG, Ostermundigenstrasse 99, 3050 Bern, Switzerland
7 ArianeGroup, France
8 André Mysyrowicz Consultants, 6 Rue Gabriel, 78000 Versailles, France
9 Institute for Information and Communication Technologies, University of Applied Sciences and Arts Western Switzerland, 1401 Yverdon-les-Bains, Switzerland
10 Institute for Environmental Sciences, Université de Genève, Bd Carl Vogt 66, 1211 Geneva 4, Switzerland
* e-mail: email@example.com
Received in final form: 21 October 2020
Accepted: 23 October 2020
Published online: 17 February 2021
Lightning is highly destructive due to its high power density and unpredictable character. Directing lightning away would allow to protect sensitive sites from its direct and indirect impacts (electromagnetic perturbations). Up to now, lasers have been unable to guide lightning efficiently since they were not offering simultaneously terawatt peak powers and kHz repetition rates. In the framework of the Laser Lightning Rod project, we develop a laser system for lightning control, with J-range pulses of 1 ps duration at 1 kHz. The project aims at investigating its propagation in the multiple filamentation regime and its ability to control high-voltage discharges. In particular, a field campaign at the Säntis mountain will assess the laser ability to trigger upward lightning.
Supplementary material is available in electronic form at https://www.epjap.org/10.1051/epjap/2020200243/olm
© T. Produit et al, published by EDP Sciences, 2021
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