SAMOP 2021 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 9: Interaction with strong or short laser pulses
A 9.3: Poster
Dienstag, 21. September 2021, 16:30–18:30, P
HILITE - stored ions for non-linear laser-ion experiments — •Markus Kiffer1, Stefan Ringleb1, Nils Stallkamp1,2, Belá Arndt3, Sugam Kumar4, Gerhard Paulus1,5, Wolfgang Quint2,6, Thomas Stöhlker1,2,5, and Manuel Vogel2 — 1Friedrich-Schiller-Universität, Jena — 2GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt — 3Goethe Universität Frankfurt, Frankfurt — 4Inter-University Accelerator Centre, New Delhii — 5Helmholtz-Institut Jena, Jena — 6Ruprecht Karls-Universität Heidelberg, Heidelberg
The development of free-electron lasers with photon energies in the XUV to X-ray regime opens up new possibilities to investigate non-linear laser-matter interaction. Ionic systems with only one active electron are of particular interest - especially hydrogen-like systems.
To investigate such systems we have built and commissioned the HILITE (High-Intensity Laser Ion-Trap Experiment) Penning trap. The ions are produced by an Electron-Beam Ion Trap (EBIT), selected by a Wien filter, and captured dynamically in the trap centre.
Last year we conducted our first Beam time at the FLASH2 FEL laser facility at DESY in Hamburg, where we wanted to investigate two photon ionisation of O5+. We have had to deal with unexpectedly bad vacuum conditions which limited the storage time and significantly increased the background signal.
We will present the setup, the commissioning results and results from our first beamtime. We will also present envisaged upgrades of the setup.