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Increased efficiency of ion acceleration by using femtosecond laser pulses at higher harmonic frequency
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SYSNO ASEP 0439416 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Increased efficiency of ion acceleration by using femtosecond laser pulses at higher harmonic frequency Author(s) Psikal, J. (CZ)
Klimo, Ondřej (FZU-D) RID, ORCID
Weber, Stefan A. (FZU-D) RID, ORCID
Margarone, Daniele (FZU-D) RID, ORCIDSource Title Physics of Plasmas - ISSN 1070-664X
Roč. 21, č. 7 (2014), "073108-1"-"073108-6"Number of pages 6 s. Language eng - English Country US - United States Keywords proton-beams ; ultrathin targets ; simulations ; contrast ; plasmas Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects ED1.1.00/02.0061 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EE.2.3.20.0087 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 UT WOS 000341154100087 EID SCOPUS 84905053910 DOI 10.1063/1.4891436 Annotation 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. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2015
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