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5. Multi probes measurements at the PALS Facility Research Centre during high intense laser pulse interactions with various target materials.

Author

De Marco, Massimo, Krása, Josef, Cikhardt, Jakub, Consoli, Fabrizio, De Angelis, Riccardo, Pfeifer, Miroslav, Krůs, Miroslav, Dostál, Jan, Margarone, Daniele, Picciotto, Antonino, Velyhan, Andriy, Klír, Daniel, Dudžák, Roman, Limpouch, Jiří, and Korn, Georg

Subjects
SOLID target systems, ELECTROMAGNETIC pulses, LASER pulses, MONOPOLE antennas, MICROSTRIP antennas, LOOP antennas, INDUCTIVE sensors
Abstract

During the interaction of high intense laser pulse with solid target, a large amount of hot electrons is produced and a giant Electromagnetic Pulse (EMP) is generated due to the current flowing into the system target–target holder, as well as due to the escaping charged particles in vacuum. EMP production for different target materials is investigated inside and outside the target chamber, using monopole antenna, super wide-band microstrip antenna and Moebius antenna. The EMP consists in a fast transient magnetic field lasting hundreds of nanosecond with frequencies ranging from MHz to tens of GHz. Measurements of magnetic field and return target current in the range of kA were carried out by an inductive target probe (Cikhardt J. et al. Rev. Sci. Instrum. 85 (2014) 103507). [ABSTRACT FROM AUTHOR]

Published
2018
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