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First operational experience and magnetic characterization of a superconducting transverse gradient undulator for a compact laser wakefield acceleration-driven FELs

Damminsek, Kantaphon; Bernhard, Axel; Gethmann, Julian; Richter, Sebastian; Ning, Maisui; Müller, Anke-Susanne

Abstract:
The transverse gradient undulator (TGU) scheme is a viable option to compensate for the challenging properties of the LWFA electron beam, in terms of beam divergence and energy spread, to enable FELs amplification. At Karlsruhe Institute of Technology (KIT, Germany), a 40-period superconducting TGU has been designed and built. In this contribution, we report on the first test operation of this superconducting TGU in its own conduction-based cryostat, the quench tests performed in this configuration, first results of the two-dimensional Hall probe mapping of the TGU field. We give an outlook to the preparation of proof-of-principle experiments with this TGU at the SINBAD facility/DESY and at the LWFA-setup at the JETI Laser laboratory operated by the University of Jena, which are aiming to show the potential of applying the TGU scheme to LWFA-driven FELs.



Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Publikationstyp Poster
Publikationsdatum 16.09.2019
Sprache Englisch
Identifikator KITopen-ID: 1000118112
HGF-Programm 54.01.01 (POF III, LK 01)
ps- und fs-Strahlen
Veranstaltung 4th European Advanced Accelerator Concepts Workshop (2019), La Biodola, Elba, Italy, 15.09.2019 – 21.09.2019
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