EMP characterization at PALS on solid-target experiments

0502428 - FZÚ 2019 RIV GB eng J - Journal Article
Consoli, F. - De Angelis, R. - De Marco, Massimo - Krása, Josef - Cikhardt, J. - Pfeifer, Miroslav - Margarone, Daniele - Klir, D. - Dudžák, Roman
EMP characterization at PALS on solid-target experiments.
Plasma Physics and Controlled Fusion. Roč. 60, č. 10 (2018), s. 1-10, č. článku 105006. ISSN 0741-3335. E-ISSN 1361-6587
R&D Projects: GA ČR GA16-07036S; GA MŠMT LQ1606
Institutional support: RVO:68378271
Keywords : n * EMP * laser-plasma interaction * conductive field probes * discharge current
OECD category: Fluids and plasma physics (including surface physics)
Impact factor: 2.799, year: 2018

We describe the characterization of electromagnetic pulses (EMPs) in experiments on solid targets at PALS laser facility in Prague. It is the first time both discharge current and associated EMP are effectively measured in the same nanosecond-scale experiment, where this EMP contribution is effectively detected by conductive probes. A remarkable agreement was obtained from comparison of the detected EMP profile with measured neutralization current. We also show the results achieved by means of electromagnetic simulations of fields in the modeled experimental chamber, in particular in the regions where the probes were actually placed during the experiments, and compare them with measured signals. The illustrated results are of primary importance for the hot topic of EMP characterization and minimization in plants for inertial-confinement-fusion (NIF, LMJ, PETAL) as well as for laser-plasma acceleration (PETAL, ELI, Apollon).
Permanent Link: http://hdl.handle.net/11104/0294361