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RIS citation export for THP1WD03: The High Brightness Photoinjector Electron Beam of the APS Linac

AU - Sun, Y.
AU - Berg, W.
AU - Byrd, J.M.
AU - Dooling, J.C.
AU - Hui, D.
AU - Shin, S.
AU - Zholents, A.
ED - Chin, Yong Ho
ED - Zhao, Zhentang
ED - Petit-Jean-Genaz, Christine
ED - Schaa, Volker RW
TI - The High Brightness Photoinjector Electron Beam of the APS Linac
J2 - Proc. of FLS2018, Shanghai, China, 5-9 March 2018
C1 - Shanghai, China
T2 - ICFA Advanced Beam Dynamics Workshop
T3 - 60
LA - english
AB - The Advanced Photon Source (APS) linac is mainly used to accelerate electron beams generated by a thermionic RF gun for APS storage ring operation. In 2014, a high-gradient S-band Photo-Cathode Gun (PCG) was installed at the front end of the linac, expanding the linac's capability to include high brightness photo-electron beams. In 2017, the interleaving operation of the thermionic and PC gun beams in the linac during the storage ring top-up operation was successfully commissioned. The interleaving operation enabled the PCG beam's availability to year-round. For the R&D towards future light sources, a new beam line at the Linac Extension Area (LEA) is being designed and constructed to support advanced accelerator technology and beam physics experiments. In this paper, we report our photo-cathode injector design, present the experimental measurements of beam properties at the APS linac, and compare the results with numerical simulations. Optimization for the first experiment at LEA using the high brightness photo-cathode electron beam is discussed, as well as an outlook for future potential experiments at LEA.
PB - JACoW Publishing
CP - Geneva, Switzerland
ER -