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Saturated ablation in metal hydrides and acceleration of protons and deuterons to keV energies with a soft-x-ray laser
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SYSNO ASEP 0361437 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Saturated ablation in metal hydrides and acceleration of protons and deuterons to keV energies with a soft-x-ray laser Author(s) Andreasson, J. (SE)
Iwan, B. (SE)
Andrejczuk, A. (PL)
Abreu, E. (SE)
Bergh, M. (SE)
Caleman, C. (DE)
Nelson, A.J. (US)
Bajt, S. (DE)
Chalupský, Jaromír (FZU-D) RID, ORCID
Chapman, H.N. (DE)
Fäustlin, R.R. (DE)
Hájková, Věra (FZU-D) RID, ORCID
Heimann, P.A. (US)
Hjörvarsson, B. (SE)
Juha, Libor (FZU-D) RID, ORCID, SAI
Klinger, D. (PL)
Krzywinski, J. (US)
Nagler, B. (US)
Pálsson, G.K. (SE)
Singer, W. (DE)
Seibert, M.M. (SE)
Sobierajski, R. (PL)
Toleikis, S. (DE)
Tschentscher, T. (DE)
Vinko, S.M. (GB)
Lee Seung-Soo, S. (AU)
Hajdu, J. (SE)
Timneanu, N. (SE)Source Title Physical Review E. - : American Physical Society - ISSN 1539-3755
Roč. 83, č. 1 (2011), "016403-1"-"016403-7"Number of pages 7 s. Language eng - English Country US - United States Keywords X-ray laser ; XUV laser ; warm dense matter ; ion emission Subject RIV BH - Optics, Masers, Lasers R&D Projects KAN300100702 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) LC510 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LC528 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LA08024 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) IAAX00100903 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) ME10046 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100523 - FZU-D (2005-2011) UT WOS 000286759700006 DOI 10.1103/PhysRevE.83.016403 Annotation Studies of materials under extreme conditions have relevance to a broad area of research, including planetary physics, fusion research, materials science, and structural biology with x-ray lasers. We study such extreme conditions and experimentally probe the interaction between ultrashort soft x-ray pulses and solid targets (metals and their deuterides) at the FLASH free-electron laser where power densities exceeding 10(17) W/cm(2) were reached. Time-of-flight ion spectrometry and crater analysis were used to characterize the interaction. The results show the onset of saturation in the ablation process at power densities above 10(16) W/cm(2). This effect can be linked to a transiently induced x-ray transparency in the solid by the femtosecond x-ray pulse at high power densities. The measured kinetic energies of protons and deuterons ejected from the surface reach several keV and concur with predictions from plasma-expansion models. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
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