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TY - CONF AU - Setiniyaz, S. AU - Baek, I.H. AU - Gudkov, B.A. AU - Han, B. AU - Jang, K.H. AU - Jeong, Y.U. AU - Kim, H.W. AU - Miginsky, S.V. AU - Nam, J.H. AU - Park, S. AU - Vinokurov, N. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - A High Sensitivity Faraday Cup for Ultrashort Electron Bunches J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - The UED (Ultrafast Electron Diffraction) beamline of KAERI (Korea Atomic Energy Research Institute) WCI (World Class Institute) Center has been successfully commissioned. A S-band co-axial RF photogun with 1.5 cylindrically symmetric cells was used to remove multiple modes of the electric filed inside the cavity. It is designed to generate sub-picosecond electron bunches with energy up to 3.3~MeV. We have developed a system consists of an in-air Faraday cup (FC) and a preamplifier for charge measurement. Tests performed utilizing 3.3~MeV electrons show the system were able to measure ultrashort bunches with tens of femtosecond pulse duration at 10 fC sensitivity. In this paper, we shall present the design, calibration and test results of this system. PB - JACoW CP - Geneva, Switzerland SP - 214 EP - 216 KW - electron KW - simulation KW - gun KW - laser KW - experiment DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-MOPMB054 UR - http://jacow.org/ipac2016/papers/mopmb054.pdf ER -