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TY - CONF AU - Fakhari, M. AU - Aßmann, R.W. AU - Dorda, U. AU - Fallahi, A. AU - Galaydych, K. AU - Kärtner, F.X. AU - Marchetti, B. AU - Matlis, N.H. AU - Vashchenko, G. AU - Vinatier, T. AU - Yahaghi, A. AU - Zhang, D. AU - Zhou, C. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Compact Electron Injectors Using Laser Driven THz Cavities J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - We present ultra-small electron injectors based on cascaded cavities excited by short multi-cycle THz signals. The designed structure is a 3.5 cell normal conducting cavity operating at 300 GHz. This cavity is able to generate pC electron bunches and accelerate them up to 250 keV using less than 1 mJ THz energy. Unlike conventional RF guns, the designed cavity operates in a transient state which, in combination with the high frequency of the driving field, makes it possible to apply accelerating gradients as high as 500 MV/m. Such high accelerating gradients are promising for the generation of high brightness electron beams with transverse emittances in the nm-rad range. The designed cavity can be used as the injector for a compact accelerator of low charge bunches. PB - JACoW CP - Geneva, Switzerland SP - 506 EP - 508 KW - cavity KW - electron KW - gun KW - laser KW - acceleration DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-MOPIK005 UR - http://jacow.org/ipac2017/papers/mopik005.pdf ER -