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Production of relativistic electrons, MeV deuterons and protons by sub-nanosecond terawatt laser
- 1.0501858 - FZÚ 2019 RIV US eng J - Journal Article
Krása, Josef - Klír, D. - Řezáč, K. - Cikhardt, J. - Krůs, Miroslav - Velyhan, Andriy - Pfeifer, Miroslav - Buryšková, Simona - Dostál, Jan - Burian, Tomáš - Dudžák, Roman - Turek, Karel - Pisarczyk, T. - Kalinowska, Z. - Chodukowski, T. - Kaufman, Jan
Production of relativistic electrons, MeV deuterons and protons by sub-nanosecond terawatt laser.
Physics of Plasmas. Roč. 25, č. 11 (2018), s. 1-11, č. článku 113112. ISSN 1070-664X. E-ISSN 1089-7674
R&D Projects: GA ČR GA16-07036S; GA MŠMT LQ1606; GA MŠMT EF15_008/0000162
EU Projects: European Commission(XE) 654148 - LASERLAB-EUROPE
Grant - others:ELI Beamlines(XE) CZ.02.1.01/0.0/0.0/15_008/0000162
Institutional support: RVO:68378271 ; RVO:61389005
Keywords : laser-produced plasma * relativistic electrons * fast ions * deuterons * laser beam self-focusing
OECD category: Fluids and plasma physics (including surface physics); Fluids and plasma physics (including surface physics) (UJF-V)
Impact factor: 1.913, year: 2018
We shown that the relativistic electrons, MeV protons, and deuterons are emitted from a 500-μm thick (CD2)n target exposed to Iλ2 ~ 5x1016 Wcm-2μm2, which is delivered by the PALS laser system. A parameter reflecting the laser-power efficiency of the proton acceleration is used for comparison of the observed maximum proton energy with data from other experiments. The number of protons and deuterons constituting the backward and forward jets is estimated. Values of maximum proton energies and electron temperatures indicate that the laser intensity should reach a relativistic level through the laser beam self-focusing. The occurrence of electron bunches in front of the irradiated target surface was identified by time resolved femtosecond interferometry. Energy distribution functions of electrons emitted in the both backward and forward directions are analysed and compared.
Permanent Link: http://hdl.handle.net/11104/0293841
Number of the records: 1