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The Laser Lightning Rod project

Walch, Pierre
Herkommer, Clemens
Mostajabi, Amirhossein
Sunjerga, Antonio
Azadifar, Mohammad
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Published in European Physical Journal Applied Physics. 2021, vol. 93, no. 10504
Abstract 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.
Keywords ParatonnerreLaserFilamentationLLR
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Other version: https://www.epjap.org/10.1051/epjap/2020200243
Research groups Groupe Kasparian
Groupe Wolf
ISE Climat
ISE Pôle Sciences
European Commission: LLR
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PRODUIT, Thomas et al. The Laser Lightning Rod project. In: European Physical Journal Applied Physics, 2021, vol. 93, n° 10504. doi: 10.1051/epjap/2020200243 https://archive-ouverte.unige.ch/unige:146838

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Deposited on : 2020-12-21

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