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Characterization of advanced polymethylmethacrylate (PMMA) targets for TNSA laser irradiation
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SYSNO ASEP 0448977 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Characterization of advanced polymethylmethacrylate (PMMA) targets for TNSA laser irradiation Author(s) Torrisi, L. (IT)
Cutroneo, Mariapompea (UJF-V) ORCID, RID, SAI
Semián, Vladimír (UJF-V) RID
Ceccio, G. (IT)Number of authors 4 Source Title Applied Surface Science. - : Elsevier - ISSN 0169-4332
Roč. 351, OCT (2015), s. 580-587Number of pages 8 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords PMMA ; TNSA ; ion acceleration ; laser-generating plasma Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GBP108/12/G108 GA ČR - Czech Science Foundation (CSF) LM2011019 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UJF-V - RVO:61389005 UT WOS 000359496600075 EID SCOPUS 84955461174 DOI 10.1016/j.apsusc.2015.05.180 Annotation Characterization of advanced micrometric foils suitable for TNSA regime were performed using optical spectroscopy, microscopy and Nd:YAG low laser intensity. Micrometric acrylic beads were produced in polymethylmethacrylate foils through complex physical and technical procedures in order to enhance the absorption coefficient in the IR region. Moreover, Au nanoparticles were embedded in the polymer in order to induce surface plasmon resonance absorption and plasma electron density enhancement. The suitably prepared polymers were investigated at low laser intensity to have evidence of their capability to absorb IR wavelength radiations and promote enhancement of the plasma temperature and density. Results indicate that the high transparence of PMMA foils can be strongly reduced by the presences of the micrometric acrylic beads and that the obtainable laser-generated plasma improves the ion acceleration when high beads density and high Au nanoparticles concentrations are employed. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2016
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