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Observation of K-shell soft X ray emission of nitrogen irradiated by XUV-free electron laser FLASH at intensities greater than 10.sup.16./sup. W/cm.sup.2./sup..
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SYSNO ASEP 0362890 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Observation of K-shell soft X ray emission of nitrogen irradiated by XUV-free electron laser FLASH at intensities greater than 1016 W/cm2. Author(s) Galtier, E. (FR)
Rosmej, F.B. (FR)
Renner, Oldřich (FZU-D) RID, ORCID
Juha, Libor (FZU-D) RID, ORCID, SAI
Chalupský, Jaromír (FZU-D) RID, ORCID
Gauthier, J. C. (FR)
White, S. (GB)
Riley, D. (GB)
Vinko, S. (GB)
Witcher, T. (GB)
Wark, J. (GB)
Nagler, B. (US)
Lee, R. W. (US)
Nelson, A.J. (US)
Toleikis, S. (DE)Source Title Contributions to Plasma Physics. - : Wiley - ISSN 0863-1042
Roč. 51, 2-3 (2011), s. 284-287Number of pages 4 s. Language eng - English Country DE - Germany Keywords soft X-ray diagnostic ; Free Electron Laser ; THM crystal Subject RIV BH - Optics, Masers, Lasers R&D Projects GAP208/10/2302 GA ČR - Czech Science Foundation (CSF) GAP205/11/0571 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100523 - FZU-D (2005-2011) UT WOS 000288610800027 DOI 10.1002/ctpp.201000045 Annotation XUV/X-ray Free Electron Lasers provide tools to investigate matter under extreme conditions. As theory is at its infancy, the analysis of matter via the self-emission of the target is of central importance. We report the first successful observation of K-shell emission of Nitrogen at 430 eV using an XUV-Free Electron Laser to irradiate solid Boron Nitride targets at intensities larger than 10(16) W/cm(2). Using a Bragg crystal of THM coupled to a CCD, we resolved K-shell line emission from different charge states. We demonstrate that the spectroscopic data allow characterization of electron heating processes when X-ray radiation is interacting with solid matter. The results obtained have an important impact on the theory. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
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