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First two-bunch measurements using the electro-optical near-field monitor at KARA

Reißig, Micha ORCID iD icon 1; Bründermann, Erik ORCID iD icon 1; Härer, Bastian ORCID iD icon 1; Mochihashi, Akira 1; Niehues, Gudrun 1; Patil, Meghana ORCID iD icon 2; Ruprecht, Robert 1; Müller, Anke-Susanne ORCID iD icon 1
1 Institut für Beschleunigerphysik und Technologie (IBPT), Karlsruher Institut für Technologie (KIT)
2 Laboratorium für Applikationen der Synchrotronstrahlung (LAS), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

The Karlsruhe research accelerator KARA is an electron storage ring, which features an electro-optical near-field monitor as a tool for longitudinal bunch profile measurements. The device performs well in single-shot turn-by-turn measurements during single-bunch operation and over the years, the design has been optimized to be prepared for measurements in multi-bunch operation. The ability to work with multiple bunches and short bunch spacing is an important step to make the device suitable for more application purposes, such as a diagnostics tool for the future electron-positron collider FCC-ee. This contribution provides first tests of the monitor during two-bunch operation with minimum 2 ns bunch spacing. Challenges like crystal heating due to an increased beam current are discussed and strategies for mitigation are presented.


Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Laboratorium für Applikationen der Synchrotronstrahlung (LAS)
Publikationstyp Vortrag
Publikationsdatum 23.03.2023
Sprache Englisch
Identifikator KITopen-ID: 1000161605
HGF-Programm 54.11.11 (POF IV, LK 01) Accelerator Operation, Research and Development
Veranstaltung 86th Jahrestagung der DPG und DPG-Frühjahrstagung der Sektion Materie und Kosmos - Arbeitskreis Beschleunigerphysik (SMuK 2023), Dresden, Deutschland, 20.03.2023 – 24.03.2023
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