Hannover 2016 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 18: Highly charged ions and their applications
A 18.3: Poster
Dienstag, 1. März 2016, 16:30–19:00, Empore Lichthof
EBIT spectroscopy of Sn8+...14+ in the optical and extreme ultraviolet range — •Alexander Windberger1, Francesco Torretti1, Hendrik Bekker2, Anastasia Borschevsky3, Stepan Dobrodey2, Wim Ubachs1,4, Ronnie A. Hoekstra1,5, José R. Crespo López-Urrutia2, and Oscar O. Versolato1 — 1Advanced Research Center for Nanolithography, Amsterdam, The Netherlands — 2Max-Planck-Institut für Kernphysik, Heidelberg, Germany — 3GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany — 4Department of Physics and Astronomy, VU Amsterdam, The Netherlands — 5Zernike Institute for Advanced Materials, University of Groningen, The Netherlands
The charge state resolved fluorescence of Sn8+...14+ ions was simultaneously detected in the optical and extreme ultra-violet region using the electron beam ion traps (EBIT) at the Max-Planck-Institute for Nuclear Physics. Spectra were obtained while gradually increasing the electron beam energy, thus enabling us to assign the measured spectral lines to their respective charge states. A comparison with theory and complementary data leads to tentative identifications of several transitions. Our measurements contribute to an analytical understanding of atomic processes and new diagnostic tools for EUV light sources.