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TY - CONF AU - Getmanov, Ya.V. AU - Matveev, A.S. AU - Shevchenko, O.A. AU - Vinokurov, N.A. ED - Meseck, Atoosa ED - McAteer, Meghan ED - Schaa, Volker R.W. ED - V\xF6lker, Jens TI - Electron Outcoupling System of Novosibirsk Free Electron Laser Facility - Beam Dynamics Calculation and the First Experiments J2 - Proc. of ERL2019, Berlin, Germany, 15-20 September 2019 CY - Berlin, Germany T2 - ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs T3 - 63 LA - english AB - The radiation power of the FEL with optical cavity can be limited by the overheating of reflecting mirrors. In the electron outcoupling scheme electron beam radiates the main power at a slight angle to the optical axis. For this, it is necessary to divide undulator by a dipole magnet at least in two parts - the first for the electron beam bunching in the field of the main optical mode, and the second for the power radiation by deflected beam. Electron outcoupling system is installed on the third FEL based on the multiturn energy recovery linac of the Novosibirsk Free Electron Laser facility (NovoFEL). It consists of three undulators, dipole correctors and two quadrupole lenses assembled between them. There are two different configurations of the system since the electrons can be deflected in either the second or the third undulator. The electron beam dynamics calculations and the results of the first experiments are presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 98 EP - 102 KW - electron KW - undulator KW - FEL KW - coupling KW - radiation DA - 2020/06 PY - 2020 SN - 978-3-95450-217-2 DO - doi:10.18429/JACoW-ERL2019-WEPNEC16 UR - http://jacow.org/erl2019/papers/wepnec16.pdf ER -