Author: Leou, K.C.
Paper Title Page
WEPOR008 Development of a High Resolution Beam Position Monitor for NSRRC VUV/THz FEL 2680
  • P.J. Kung, K.C. Leou
    NTHU, Hsinchu, Taiwan
  • W.K. Lau, A.P. Lee
    NSRRC, Hsinchu, Taiwan
  Beam position monitors (BPM) have been widely used on linear colliders and free electron lasers for beam-based alignment and feedback systems. A laser driven photo-injector system has been constructed in NSRRC. This injector has the capability to deliver short relativistic electron beam at high peak current for novel light source R&D. A 2.4 GHz BPM that can be used for high precision beam position measurement has been designed. The BPM were modified to separate frequency between the horizontal and vertical dipole signals, as well as a reduction of the monopole signal. The design has been simulated by CST. A prototype has been built for verification of theoretical predictions. Microwave bench measurement has been made to compare with the computer simulation results. The progress of our work will be presented in this paper.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPOR008  
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