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TY - CONF AU - Holzbauer, J.P. AU - Aderhold, S. AU - Contreras-Martinez, C. AU - Khabiboulline, T.N. AU - Pischalnikov, Y.M. AU - Schappert, W. AU - Yun, J.C. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Tuner Testing of a Dressed 3.9 GHz Cavity for LCLS-II at Fermilab J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - Fermilab is responsible for the design of the 3.9 GHz cryomodule for LCLS-II. Integrated acceptance testing of a dressed 3.9 GHz cavity for the LCLS-II project has been done at the Fermilab Horizontal Test Stand. This test included a slim blade tuner (based on INFN & XFEL designs) with integrated piezoelectric fast/fine tuner. This paper will present results of the mechanical setup, cold testing, and cold function of this tuner including fast and slow tuner range, sensitivity, and hysteresis. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2690 EP - 2692 KW - cavity KW - SRF KW - operation KW - background KW - FEL DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-WEPML008 UR - http://jacow.org/ipac2018/papers/wepml008.pdf ER -