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High Power Laser and Particle Beams, Volume. 32, Issue 4, 045106(2020)

Digital self-excited vertical test system of superconducting cavity

Jisen Yang1...2,3,4, Weimin Pan1,2,3,4, Honglei Wang1,2,3,4, Jiaji Liu1,2,3, Muyuan Wang1,3,4, Quan Zhou1,2,3,4, Feisi He1,3,4, Peng Sha1,3,4, Haiying Lin1,3,4, Qunyao Wang1,3,4, Guangwei Wang1,3,4, and Zhenghui Mi1,34,* |Show fewer author(s)
Author Affiliations
  • 1Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Key Laboratory of Particle Acceleration Physics and Technology, Chinese Academy of Sciences, Beijing 100049, China
  • 4Center for Superconducting RF and Cryogenics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (7)
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    Figures & Tables(9)
    Schematic of the self-excited loop

    Fig. 1. Schematic of the self-excited loop

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    Schematic of the first and the second up-and-down frequency conversion

    Fig. 2. Schematic of the first and the second up-and-down frequency conversion

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    Scheme of digital signal processing

    Fig. 3. Scheme of digital signal processing

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    Diagram of coordinate rotation

    Fig. 4. Diagram of coordinate rotation

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    Measurement results of radio frequency front end

    Fig. 5. Measurement results of radio frequency front end

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    Free running self-excited loop

    Fig. 6. Free running self-excited loop

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    Decay time measurement

    Fig. 7. Decay time measurement

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    Pass-band mode frequency of 1.3 GHz 9-cell cavity

    Fig. 8. Pass-band mode frequency of 1.3 GHz 9-cell cavity

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    • Table 1. Pass-band mode frequency of 1.3 GHz 9-cell superconducting cavity

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      Table 1. Pass-band mode frequency of 1.3 GHz 9-cell superconducting cavity

      modefrequency/MHz
      temperature is 298.15 Ktemperature is 2 K
      π/91 275.515 801 277.384 00
      2π/91 278.776 201 280.695 08
      3π/91 281.090 201 283.006 44
      4π/91 282.928 401 284.837 76
      5π/91 287.449 801 289.295 32
      6π/91 291.568 201 293.490 92
      7π/91 295.010 601 296.945 96
      8π/91 297.301 201 299.237 56
      π1 298.076 001 300.017 72
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    Jisen Yang, Weimin Pan, Honglei Wang, Jiaji Liu, Muyuan Wang, Quan Zhou, Feisi He, Peng Sha, Haiying Lin, Qunyao Wang, Guangwei Wang, Zhenghui Mi. Digital self-excited vertical test system of superconducting cavity[J]. High Power Laser and Particle Beams, 2020, 32(4): 045106

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    Paper Information

    Category: Feature Issue on Accelerator

    Received: Aug. 28, 2019

    Accepted: --

    Published Online: Mar. 30, 2020

    The Author Email: Mi Zhenghui (mizh@ihep.ac.cn)

    DOI:10.11884/HPLPB202032.190320

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology