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TY - CONF AU - Bödewadt, J. AU - Amstutz, Ph. AU - Azima, A. AU - Aßmann, R.W. AU - Drescher, M. AU - Ekanayake, N. AU - Faatz, B. AU - Hacker, K.E. AU - Hartl, I. AU - Hillert, W. AU - Khan, S. AU - Laarmann, T. AU - Lazzarino, L.L. AU - Lechner, C. AU - Lockmann, N.M. AU - Maltezopoulos, Th. AU - Miltchev, V. AU - Mohammad Kazemi, M.M. AU - Molo, R. AU - Plath, T. AU - Przystawik, A. AU - Roßbach, J. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Experience in Operating sFLASH With High-Gain Harmonic Generation J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - sFLASH, the experimental setup for external seeding of free-electron lasers (FEL) at FLASH, has been operated in the high-gain harmonic generation (HGHG) mode. A detailed characterization of the laser-induced energy modulation, as well as the temporal characterization of the seeded FEL pulses is possible by using a transverse deflecting structure and an electron spectrometer. FEL saturation was reached for the 7th harmonic of the 266 nm seed laser. In this contribution, we present the latest experimental results. PB - JACoW CP - Geneva, Switzerland SP - 2596 EP - 2599 KW - FEL KW - laser KW - electron KW - radiation KW - photon DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-WEPAB016 UR - http://jacow.org/ipac2017/papers/wepab016.pdf ER -