Volume 31 Issue 5
May  2019
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Bing Feng, Pan Weimin, Huang Tongming, et al. Design of variable fundamental power coupler[J]. High Power Laser and Particle Beams, 2019, 31: 053003. doi: 10.11884/HPLPB201931.180258
Citation: Bing Feng, Pan Weimin, Huang Tongming, et al. Design of variable fundamental power coupler[J]. High Power Laser and Particle Beams, 2019, 31: 053003. doi: 10.11884/HPLPB201931.180258
shu

Design of variable fundamental power coupler

doi: 10.11884/HPLPB201931.180258
  • 1.

    Department of Physics, University of Chinese Academy of Sciences, Beijing 100049, China

  • 2.

    Department of Accelerator, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

  • Received Date: 2018-10-08
  • Rev Recd Date: 2019-02-22
  • Publish Date: 2019-05-15
    Abstract
  • This paper aims to design a new 650MHz variable fundamental power coupler. The external quality factor Qe ranges from 1.5×105 to 2×106 to meet the requirements of different current modes of the Beam Test Facility of PAPS (Platform of Advanced Photon Source Technology R&D). This is the first time to develop a variable continuous wave type power coupler in China. In this paper, the RF transmission and field distribution of the coupler are calculated by HFSS three-dimensional electromagnetic software. The external quality factor at different antenna penetration depth is simulated by CST microwave studio. The penetration depth adjusting experiment is carried out by integrating with a 650 MHz 2-cell superconducting cavity. The simulated and measured results of Qe agree well with each other.
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    • References(10)
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