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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 15: Beam Dynamics / Simulation III
AKBP 15.6: Vortrag
Donnerstag, 12. März 2015, 18:00–18:15, F.10.01 (HS 4)
Advanced Bunching Scheme at REGAE — •Benno Zeitler1,2, Klaus Flöttmann3, and Florian Grüner1,2 — 1University of Hamburg, Institute of Experimental Physics, 22761 Hamburg — 2CFEL, Center for Free-Electron Laser Science, 22607 Hamburg — 3DESY, 22761 Hamburg
The field of laser wakefield acceleration offers very high accelerating gradients. To combine the university research on this topic with the expertise of a large and well-established accelerator facility, the LAOLA Collaboration was formed between DESY and the University of Hamburg. One of the campaigns pursued within this framework is the external injection of an electron bunch from a conventional gun into a laser-driven plasma wakefield, which is a promising path towards increased control over the injected electron phase space. The Relativistic Electron Gun for Atomic Exploration (REGAE), a small accelerator located at DESY, is an interesting candidate for such an external injection experiment due to the short bunches on the order of 10 fs, required for the primary design goal of the machine: Time-resolved electron diffraction. In this case the particles are compressed using the ballistic bunching method. The shortness of the bunching is limited by non-linearities in the longitudinal phase space. We present a method that allows for a correction of these non-linearities, enabling even shorter bunches.