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Increasing the Single-Bunch Instability Threshold by Bunch Splitting Due to RF Phase Modulation

Steinmann, Johannes L. ORCID iD icon; Blomley, Edmund ORCID iD icon; Brosi, Miriam; Bruendermann, Erik ORCID iD icon; Mochihashi, Akira; Schönfeldt, Patrik; Schuh, Marcel; Mueller, Anke-Susanne

Abstract:
RF phase modulation at twice the synchrotron frequency can be used to split a stored electron bunch into two or more bunchlets orbiting each other. We report on time-resolved measurements at the KArlsruhe Research Accelerator (KARA), where this bunch splitting was used to increase the threshold current of the microbunching instability, happening in the short-bunch operation mode. Switching the modulation on and off, reproducibly influences the sawtooth behaviour of the emitted coherent synchrotron radiation.


Verlagsausgabe §
DOI: 10.5445/IR/1000133676
Veröffentlicht am 05.10.2021
Originalveröffentlichung
DOI: 10.18429/JACoW-IPAC2021-WEPAB240
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Laboratorium für Applikationen der Synchrotronstrahlung (LAS)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 24.05.2021
Sprache Englisch
Identifikator ISBN: 978-3-95450-214-1
KITopen-ID: 1000133676
HGF-Programm 54.11.11 (POF IV, LK 01) Accelerator Operation, Research and Development
Erschienen in 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume / IPAC2021. Ed.: R. Picoreti
Veranstaltung 12th International Particle Accelerator Conference (IPAC 2021), Online, 24.05.2021 – 28.05.2021
Verlag JACoW Publishing
Seiten 3193-3196
Externe Relationen Konferenz
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