Author: Schönfeldt, P.
Paper Title Page
WEPAB240 Increasing the Single-Bunch Instability Threshold by Bunch Splitting Due to RF Phase Modulation 3193
 
  • J.L. Steinmann, E. Blomley, M. Brosi, E. Bründermann, A. Mochihashi, A.-S. Müller, M. Schuh, P. Schönfeldt
    KIT, Karlsruhe, Germany
 
  Funding: This work is funded by the BMBF contract number: 05K16VKA.
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. Turning the modulation on and off reproducibly affects the sawtooth behavior of the emitted coherent synchrotron radiation.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-WEPAB240  
About • paper received ※ 19 May 2021       paper accepted ※ 08 July 2021       issue date ※ 18 August 2021  
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