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TY - CONF AU - Wang, D. AU - Antipov, S.P. AU - Du, Y.-C. AU - Gai, W. AU - Huang, W.-H. AU - Liang, Y.F. AU - Niu, L. AU - Su, X.L. AU - Tang, C.-X. AU - Tian, Q.L. AU - Yan, L.X. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Preliminary Results on the Resonant Excitation of THz Wakefield in a Multi-Mode Dielectric Loaded Waveguide by Bunch Train J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - We report the preliminary experimental results on the resonant excitation of THz wakefield in a multi-mode dielectric loaded waveguide (DLW) by electron bunch train at the Tsinghua University accelerator beamline. The bunch train with certain longitudinal periodicity was generated based on nonlinear longitudinal space charge oscillation [1]. By passing such bunch train through a multi-mode DLW, we observed selective excitation of the fifth longitudinal mode (TM05 mode) was resonantly excited. Future experiment plan is to tune the bunch train interval with a chicane in the beamline in order to selectively excite arbitrary mode for tunable THz radiation source with multi-mode DLWs. PB - JACoW CP - Geneva, Switzerland SP - 3426 EP - 3428 KW - electron KW - wakefield KW - radiation KW - experiment KW - space-charge DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-WEPVA067 UR - http://jacow.org/ipac2017/papers/wepva067.pdf ER -