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TY - CONF AU - Papke, K. AU - Gerigk, F. AU - van Rienen, U. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Progress of HOM Couplers for CERN SPL Cavities J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - In this paper we present the progress of the Higher-Order-Mode (HOM) coupler design for the high beta CERN SPL (Superconducting Proton Linac) cavities. This includes the RF transmission behavior as well as mechanical and thermal requirements and their optimizations. Warm RF measurements are presented for the first four high beta SPL Cavities made of bulk niobium. Moreover the first prototype of a HOMcoupler will be introduced and we discuss its characteristics and its tuning possibilities. PB - JACoW CP - Geneva, Switzerland SP - 2568 EP - 2570 KW - HOM KW - simulation KW - cavity KW - niobium KW - factory DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-WEPRI041 UR - http://jacow.org/ipac2014/papers/wepri041.pdf ER -