Dresden 2014 – scientific programme

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BE: Beschleunigerphysik

BE 2: Diagnostics and Instrumentation I

BE 2.7: Talk

Monday, March 31, 2014, 17:00–17:15, ZEU 255

First Considerations on a Broadband TM11-RF-Kicker for Transverse Bunch-By-Bunch-Feedback in Comparison with a Standard Stripline Kicker* — •Malte Sommer, Thomas Weis, Bernard Riemann, and Markus Höner — Center for Synchrotron Radiation (DELTA), TU Dortmund University, 44227 Dortmund, Germany

Longitudinal and transverse bunch-by-bunch-feedback-systems are well established in high intensity beam accelerators such as synchrotron light sources. Modern accelerator concepts like energy recovery linacs (ERL) and/or the use of high acceleration gradients in storage rings however require superconducting multicell resonators with a high probability of residual impedances and therefore fast feedback systems with increased strength and efficiency of the kicker structures. Based on the properties of a broadband longitudinal kicker we have investigated the possibility of operating a similar RF-structure in the TM11 dipole mode as a transverse kicker without any striplines. First attempts have been made to optimize the system concerning operation frequency, bandwidth and efficiency by numerical simulations with CST Microwave Studio. The layout of the transverse kicker structure is presented and compared with numerical studies of a transverse stripline-kicker operated at the DELTA storage ring.

*Work supported by the BMBF under contract no. 05K13PEB