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Relativistic effects in plasma produced with sub-nanosecond 3-TW laser
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SYSNO ASEP 0501971 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Relativistic effects in plasma produced with sub-nanosecond 3-TW laser Author(s) Krása, Josef (FZU-D) RID, ORCID
Klír, D. (CZ)
Řezáč, K. (CZ)
Cikhardt, J. (CZ)
Krůs, Miroslav (FZU-D) RID
Velyhan, Andriy (FZU-D) RID, ORCID
Pfeifer, Miroslav (FZU-D) RID, ORCID, SAI
Dostál, Jan (FZU-D) ORCID
Dudžák, Roman (FZU-D) RID, ORCID
Krupka, M. (CZ)
Kaufman, Jan (FZU-D) ORCID
Pisarczyk, T. (PL)
Kalinowska, Z. (PL)
Chodukowski, T. (PL)Number of authors 15 Source Title PLASMA PHYSICS. EPS CONFERENCE. 45TH 2018. (EPS 2018). - Mulhouse : European Physical Society, 2018 / Coda S. ; Weber S. ; Berndt J. ; Michaut C. ; Lapenta G. ; Mantsinen M. - ISBN 978-151086844-1 Pages s. 1700-1703 Number of pages 4 s. Publication form Print - P Action EPS Conference on Plasma Physic (45.) EPS 2018 Event date 02.07.2018 - 06.07.2018 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country FR - France Keywords laser-produced plasma ; relativistic electrons Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects EF16_019/0000789 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA16-07036S GA ČR - Czech Science Foundation (CSF) LQ1606 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 EID SCOPUS 85057170611 Annotation This contribution deals with observations of relativistic electrons produced in a laser plasma interaction experiment at the PALS laser system operated at the Institute of Plasma Physics in Prague. The PALS laser is a near-infrared 3-TW iodine laser designed to deliver irradiance on target of 1016 Wcm-2 in ~300 ps pulses at the wavelength of 1.315 μm. Various foils of 6 – 500 μm in thickness were irradiated with Iλ2 ~5x1016 Wcm2μm2. Under these conditions we have observed relativistic electrons expanding into the vacuum with maximum energy going beyond 4 MeV. The observed electron energy spectra indicate that the applied laser intensity was increased by the thermal and relativistic self-focusing. The application of a unique femtosecond interferometry technique allowed us to observe bunches of thermal electrons occurring in the plasma expanding against the focused laser beam.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2019
Number of the records: 1