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Full Characterization of the Bunch-Compressor Dipoles for FLUTE

Nie, Yuancun; Bernhard, Axel; Bründermann, Erik; Müller, Anke-Susanne; Nasse, Michael Johannes; Ruprecht, Robert; Schäfer, Jens; Schuh, Marcel; Tong, Yimin

Abstract (englisch):
The Ferninfrarot Linac- Und Test-Experiment (FLUTE) is a KIT-operated linacbased test facility for accelerator research and development as well as a compact, ultra-broadband and short-pulse terahertz (THz) source. As a key component of FLUTE, the bunch compressor (chicane) consisting of four specially designed dipoles will be used to compress the 40-50 MeV electron bunches after the linac down to single fs bunch length. The maximum vertical magnetic field of the dipoles reach 0.22 T, with an effective length of 200 mm. The good field region is ±40 mm and ±10.5 mm in the horizontal and vertical direction, respectively. The latest measurement results of the dipoles in terms of field homogeneity, excitation and field reproducibility within the good field regions will be reported, which meet the predefined specifications. The measured 3D magnetic field distributions have been used to perform beam dynamics simulations of the bunch compressor. Effects of the real field properties on the beam dynamics, which are different from that of the ASTRA built-in dipole field, will be discussed.

Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Laboratorium für Applikationen der Synchrotronstrahlung (LAS)
Publikationstyp Audio & Video
Publikationsdatum 10.05.2021
Sprache Englisch
Identifikator KITopen-ID: 1000138957
HGF-Programm 54.11.11 (POF IV, LK 01) Accelerator Operation, Research and Development
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