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TY - CONF AU - Marcus, G. AU - Ding, Y. AU - Duris, J.P. AU - Feng, Y. AU - Huang, Z. AU - Kim, K.-J. AU - Krzywinski, J. AU - Lindberg, R.R. AU - Maxwell, T.J. AU - Nguyen, D.C. AU - Ratner, D.F. AU - Raubenheimer, T.O. AU - Shvyd'ko, Yu. ED - Bishofberger, Kip:Carlsten, Bruce (LANL, Los Alamos, NM, USA)[ORCID:0000-0001-5619-907X] ED - Schaa, Volker RW TI - X-ray Regenerative Amplifier Free-Electron Laser Concepts for LCLS-II J2 - Proc. of FEL2017, Santa Fe, NM, USA, August 20-25, 2017 C1 - Santa Fe, NM, USA T2 - International Free Electron Laser Conference T3 - 38 LA - english AB - High-brightness electron beams that will drive the next generation of high-repetition rate X-ray FELs allow for the possibility of optical cavity-based feedback. One such cavity-based FEL concept is the Regenerative Amplifier Free-Electron Laser (RAFEL). This paper examines the design and performance of possible RAFEL configurations for LCLS-II. The results are primarily based on high-fidelity numerical particle simulations that show the production of high brightness, high average power, fully coherent, and stable X-ray pulses at LCLS-II using both the fundamental and harmonic FEL interactions. PB - JACoW CP - Geneva, Switzerland SP - 192 EP - 195 KW - ion KW - FEL KW - electron KW - simulation KW - cavity DA - 2018/02 PY - 2018 SN - 978-3-95450-179-3 DO - 10.18429/JACoW-FEL2017-MOP061 UR - http://jacow.org/fel2017/papers/mop061.pdf ER -