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TY - CONF AU - Oseroff, T.E. AU - Liepe, M. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - Improvements to the Cornell Sample Host System J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - RF characterization of arbitrary superconducting samples has been of interest for many years but, due to the experimental complexities, has never been achieved to its full potential. A TE mode niobium sample host cavity has been used at Cornell to characterize the RF performance of 5" (12.7 cm) diameter sample plates. It was designed and built in 2012 – 2013 and since then has encountered a range of problems. The focus of this work is to highlight these and to present solutions to assist future researchers hoping to design novel RF characterization instruments. Topics covered include coupler design, cryostat support structure, sample preparation, and a discussion of potential systematic errors introduced by the data extraction and calibration methods applied to this device. PB - JACoW Publishing CP - Geneva, Switzerland SP - 956 EP - 960 KW - cavity KW - niobium KW - SRF KW - coupling KW - quadrupole DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-THP045 UR - http://jacow.org/srf2019/papers/thp045.pdf ER -