Beam dynamics studies of the photo-injector in low-charge operation mode for the ERL test facility at IHEP

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JIAO Yi and XIAO Ou-Zheng. Beam dynamics studies of the photo-injector in low-charge operation mode for the ERL test facility at IHEP[J]. Chinese Physics C, 2014, 38(6): 067003. doi: 10.1088/1674-1137/38/6/067003
JIAO Yi and XIAO Ou-Zheng. Beam dynamics studies of the photo-injector in low-charge operation mode for the ERL test facility at IHEP[J]. Chinese Physics C, 2014, 38(6): 067003.  doi: 10.1088/1674-1137/38/6/067003 shu
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Received: 2013-07-01
Revised: 1900-01-01
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Beam dynamics studies of the photo-injector in low-charge operation mode for the ERL test facility at IHEP

Abstract: The energy recovery linac test facility (ERL-TF), which is a compact ERL-FEL (free electron laser) two-purpose machine, was proposed at the Institute of High Energy Physics, Beijing. As one important component of the ERL-TF, the photo-injector that started with a photocathode direct-current gun has been designed. In this paper, optimization of the injector beam dynamics in low-charge operation mode is performed with iterative scans using Impact-T. In addition, the dependencies between the optimized beam quality and the initial offset at cathode and element parameters are investigated. The tolerance of alignment and rotation errors is also analyzed.

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