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TY - CONF AU - Grattoni, V. AU - Azima, A. AU - Aßmann, R.W. AU - Bödewadt, J. AU - Hartl, I. AU - Hillert, W. AU - Khan, S. AU - Lechner, C. AU - Manschwetus, B. AU - Miltchev, V. AU - Mohammad Kazemi, M.M. AU - Plath, T. AU - Roßbach, J. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Control of FEL Radiation Properties by Tailoring the Seed Pulses J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - Seeded free-electron lasers (FELs) produce intense, ultrashort and fully coherent X-ray pulses. These seeded FEL pulses depend on the initial seed properties. Therefore, controlling the seed laser allows tailoring the FEL radiation for phase-sensitive experiments. In this contribution, we present detailed simulation studies to characterize the FEL process and to predict the operation performance of seeded pulses. In addition, we show experimental data on the temporal characterization of the seeded FEL pulses performed at the sFLASH experiment in Hamburg. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1444 EP - 1447 KW - FEL KW - laser KW - experiment KW - electron KW - simulation DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-TUPMF078 UR - http://jacow.org/ipac2018/papers/tupmf078.pdf ER -