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Increased efficiency of ion acceleration by using femtosecond laser pulses at higher harmonic frequency
- 1.0439416 - FZÚ 2015 RIV US eng J - Journal Article
Psikal, J. - Klimo, Ondřej - Weber, Stefan A. - Margarone, Daniele
Increased efficiency of ion acceleration by using femtosecond laser pulses at higher harmonic frequency.
Physics of Plasmas. Roč. 21, č. 7 (2014), "073108-1"-"073108-6". ISSN 1070-664X. E-ISSN 1089-7674
R&D Projects: GA MŠMT ED1.1.00/02.0061; GA MŠMT EE.2.3.20.0087
Grant - others:ELI Beamlines(XE) CZ.1.05/1.1.00/02.0061; OP VK 2 LaserGen(XE) CZ.1.07/2.3.00/20.0087
Institutional support: RVO:68378271
Keywords : proton-beams * ultrathin targets * simulations * contrast * plasmas
Subject RIV: BL - Plasma and Gas Discharge Physics
Impact factor: 2.142, year: 2014
The influence of laser frequency on laser-driven ion acceleration is investigated by means of two dimensional particle-in-cell simulations. When ultrashort intense laser pulse at higher harmonic frequency irradiates a thin solid foil, the target may become relativistically transparent for significantly lower laser pulse intensity compared with irradiation at fundamental laser frequency. The relativistically induced transparency results in an enhanced heating of hot electrons as well as increased maximum energies of accelerated ions and their numbers.
Permanent Link: http://hdl.handle.net/11104/0242701
Number of the records: 1