The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - CONF AU - Pfeiffer, S. AU - Branlard, J. AU - Butkowski, Ł. AU - Fakhari, M. AU - Hierholzer, M. AU - Hoffmann, M. AU - Honkavaara, K. AU - Schlarb, H. AU - Schmidt, Ch. AU - Schreiber, S. AU - Vogt, M. AU - Zemella, J. ED - Schaa, Volker RW ED - Pei, Guoxi ED - Chin, Yong Ho ED - Fu, Shinian ED - Zhao, Ning TI - Status Update of the Fast Energy Corrector Cavity at FLASH J2 - Proc. of LINAC2018, Beijing, China, 16-21 September 2018 CY - Beijing, China T2 - Linear Accelerator Conference T3 - 29 LA - english AB - Linear accelerator facilities driving a free-electron laser require femtosecond precision synchronization between external laser systems and the electron beam. Such high precision is required for pump-probe experiments and also for example for the electron bunch injection into a plasma bubble for laser plasma acceleration. An upgrade of the fast intra-train beam-based feedback system is planned at the Free-Electron Laser FLASH in Hamburg, Germany. This linear accelerator is based on superconducting (SRF) technology operating with pulse trains of maximum 1 MHz bunch repetition rate. Arrival time fluctuations of the electron beam are correctable by introducing small energy modulations prior to the magnetic bunch compressor. This contribution focuses on the design and the characterization of a normal-conducting RF (NRF) cavity with large bandwidth, mandatory to correct fast arrival time fluctuations. The cavity has recently been installed in the FLASH beamline. First measurements with the new cavity will be presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 112 EP - 114 KW - cavity KW - electron KW - laser KW - coupling KW - free-electron-laser DA - 2019/01 PY - 2019 SN - 2226-0366 SN - 978-3-95450-194-6 DO - DOI: 10.18429/JACoW-LINAC2018-MOPO039 UR - http://jacow.org/linac2018/papers/mopo039.pdf ER -