Mainz 2022 – wissenschaftliches Programm
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 1: New Accelerator Concepts 1
AKBP 1.6: Vortrag
Montag, 28. März 2022, 15:15–15:30, AKBP-H13
Experimental results of Trojan horse injection in a hybrid LPWFA — •Patrick Ufer1,2, Alastair Nutter3, Yen-Yu Chang1, Sébastien Corde4, Jurjen Couperus Cabadağ1, Alexander Debus1, Andreas Döpp5, Thomas Heinemann3,6, Bernhard Hidding3, Max Gilljohann4,5, Stefan Karsch5, Alexander Köhler1, Olena Kononenko4, Richard Pausch1, Susanne Schöbel1,2, Alberto Martinez de la Ossa6, Ulrich Schramm1,2, and Arie Irman1 — 1Helmholtz-Zentrum Dresden-Rossendorf, Germany — 2Technische Universität Dresden, Germany — 3University of Strathclyde, Glasgow, UK — 4LOA, ENSTA ParisTech, CNRS, Ecole Polytechnique, Université Paris-Saclay, France — 5Ludwig-Maximilians-Universität München, Germany — 6Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
A hybrid (LPWFA) plasma accelerator combines the two schemes of plasma acceleration, using a laser (LWFA) and an electron beam (PWFA) to drive the plasma wave, with the goal to combine the advantages of both methods. This concept allows studies of PWFA-physics in compact setups as well as generating high-quality electron beams to fulfill the demands of secondary light sources like FELs. We present experimental results from hybrid plasma accelerators using plasma cathode injection also known as Trojan horse injection. A short-pulsed laser is used as the injector in the second stage of the accelerator propagating perpendicular to the electron beam. When timed such, that injector laser and the first cavity of the wakefield overlap, the creation of low-energy-spread witness beams have been observed.