Abstract
We have installed an interaction chamber in the electron beam line of SwissFEL. Electrons with a particle energy of 3 GeV are focused to a few-micrometer beam size. Samples placed in this beam can be aligned to the electron beam with a hexapod. The goal of this installation is to demonstrate laser-driven acceleration inside dielectric structures. We present here the layout of this interaction chamber as well as first measurements with the electron beam.
Highlights
Accelerating structures under test are placed on a small linear stage on top of this hexapod, allowing for a quick sample exchange
The electron beam is focused by a permanent magnet quadrupole triplet
We have demonstrated the focusing of a beam from a conventional radio-frequency accelerator to few-micrometer beam sizes in both transverse dimensions
Summary
Rasmus Ischebeck1∗, Simona Bettoni, Simona Borrelli, Marco Calvi, Philipp Dijkstal, Eugenio Ferrari, Vitaliy Guzenko, Dominique Hauenstein, Benedikt Hermann, Orell Hürzeler, Christoph Kittel, Csaba Lombosi, Gian Luca Orlandi, Eduard Prat, Sven Reiche, Leonid Rivkin, Didier Voulot and Dominique Zehnder
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