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TY - CONF AU - Hall, C.C. AU - Bruhwiler, D.L. AU - Murokh, A.Y. AU - Musumeci, P. AU - Park, Y. AU - Sun, Y. AU - Webb, S.D. AU - Zholents, A. ED - Bishofberger, Kip:Carlsten, Bruce (LANL, Los Alamos, NM, USA)[ORCID:0000-0001-5619-907X] ED - Schaa, Volker RW TI - Modeling and Optimization of the APS Photo-Injector Using OPAL for High Efficiency FEL Experiments 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 - The Linac Extension Area (LEA) is a new beamline planned as an extension of Argonne's APS linac. An S-band 1.6-cell copper photo-cathode (PC) RF gun has been installed and commissioned at the APS linac front end. The PC gun will provide a beam to the LEA for accelerator technology development and beam physics experiments, in interleaving with a thermionic RF gun which provides a beam for APS storage ring operations. Recently an experiment was proposed to demonstrate the TESSA high-efficiency concept at LEA. In support of this experiment, we have begun simulating the photo-injector using the code OPAL (Object-oriented Particle Accelerator Library). In this paper, we first benchmark OPAL simulations with the established APS photo-injector optimization using ASTRA and ELEGANT. Key beam parameters required for a successful high-efficiency TESSA demonstration are discussed. PB - JACoW CP - Geneva, Switzerland SP - 284 EP - 287 KW - ion KW - linac KW - gun KW - electron KW - simulation DA - 2018/02 PY - 2018 SN - 978-3-95450-179-3 DO - 10.18429/JACoW-FEL2017-TUP022 UR - http://jacow.org/fel2017/papers/tup022.pdf ER -