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

JIAO Yi; XIAO Ou-Zheng

doi:10.1088/1674-1137/38/6/067003

Chinese Physics C> 2014, Vol. 38> Issue(6) : 067003 DOI: 10.1088/1674-1137/38/6/067003

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

JIAO Yi ,
XIAO Ou-Zheng

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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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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

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Received: 2013-07-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2013-07-01

Accepted Date: 1900-01-01

Available Online: 2014-06-05

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.

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

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

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