Journal
PLASMA PHYSICS AND CONTROLLED FUSION
Volume 62, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6587/ab5c4e
Keywords
laser-plasma interaction; EMP; plasma expansion
Categories
Funding
- Czech Science Foundation [19-02545 S]
- Czech Republic's Ministry of Education, Youth [LM2015083, CZ.02.1.01/0.0/0.0/16_013/0001552]
- European Union [654148 LaserlabEurope]
- L3IA I-INFN
- Euratom research and training programme [633053]
- ENEA-Centro Ricerche Frascati
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Experiments were performed using the Prague Asterix Laser System to study the effect of expanding plasma on electromagnetic pulse propagation (EMP) in the interaction chamber in an intensity regime of 10(16)Wcm(-2). Similar to the interaction that occurs between radio waves and the ionosphere, the expansion of laser-produced plasma causes the vacuum chamber to be gradually filled with inhomogeneous plasma that interacts with the emitted EMP. Combining the space-time analysis of a plasma density inside the interaction chamber and the fast Fourier transform filtering of antenna signals, we have resolved the influence of the expanding plasma on space-time characteristics of EMP.
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