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TY - UNPB AU - Honda, Y. AU - Aryshev, A. AU - Miyajima, T. AU - Obina, T. AU - Ryukou, R. AU - Shimada, M. AU - Takai, R. AU - Yamamoto, N. ED - Ramberger, Suitbert ED - Draper, Mick ED - Schaa, Volker RW TI - Resonant Coherent Diffraction Radiation System at KEK-cERL J2 - Proc. of ERL2017, Geneva, Switzerland, June 18-23, 2017 C1 - Geneva, Switzerland T2 - ICFA Advanced Beam Dynamics Workshop T3 - 59 LA - english AB - Coherent radiation from a short bunched electron beam has been expected to be a high power source in THz regime. Especially the feature of the modern energy recovery linac is suitable for a high averaged power source. We propose to test an advanced scheme of resonantly exciting coherent diffraction radiation in an optical cavity. By stimulating the radiation in a multi-bunch beam, highly enhanced radiation power can be extracted. This system can excite all the cavity longitudinal modes at the same time, it can be a broadband source. We are preparing an experimental setup to test the resonant radiation in the cERL at KEK. PB - JACoW Publishing CP - Geneva, Switzerland ER -