High Power Laser and Particle Beams, Volume. 34, Issue 11, 114001(2022)

Real-time beam intensity measurement system for extraction section of cyclotron in Heavy Ion Medical Machine

Yaoyao You1,2, Min Li1,2、*, Ruishi Mao1,2, Weilong Li1, Yongchun Feng1, Tiecheng Zhao1, Yaoxiong Yang1, and Wentao Wang1
Author Affiliations
  • 1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • show less
    Figures & Tables(14)
    Schematic diagram of ICT
    Measurement architecture of ICT system
    Frequency response curve of the preamplifier
    Small ICT signal and its frequency information
    Schematic diagram for measuring amplitude and phase resolution of SR844 in laboratory
    Test results of amplitude and phase response of SR844
    Resolution results for the FC and ICT data acquisition systems
    Schematic diagram of the ICT and FC installation at MEBT
    Calibration results for ICT data acquisition systems
    Raw ICT and FC data measured with beam
    System time response tested result for ICT @τ=100 μs
    • Table 1. ICT parameters

      View table
      View in Article

      Table 1. ICT parameters

      measuring range/ $ {\text{μ}}\mathrm{A} $frequency range/MHzoutput up time/ $ \mathrm{n}\mathrm{s} $noise/ $ {\text{μ}}\mathrm{A} $nonlinearity/%
      0.5~300010~350$ < 70 $$ 0.1 $2
    • Table 2. Analysis results of ICT and FC data at different time constants

      View table
      View in Article

      Table 2. Analysis results of ICT and FC data at different time constants

      time constant/μsICT stability/μAFC stability/μA
      300000.00830.00780.00860.00520.00460.07500.08800.08020.08240.0844
      30000.07050.07040.04870.05300.06560.08110.08570.09080.09780.0880
      1000.10090.10440.09950.10350.10450.08470.08870.08410.08340.0845
    • Table 3. Analysis results of ICT and FC data @ 30 ms time constant

      View table
      View in Article

      Table 3. Analysis results of ICT and FC data @ 30 ms time constant

      6485 current/μAFC stability/μAICT stability/μA
      6.06240.07010.0095
      5.53490.08480.0065
      4.9150.07560.0045
      4.61280.07450.0076
      3.50440.07270.0059
      4.26390.07240.0086
      7.03460.06810.0178
      6.72640.0720.0108
      6.45430.07150.0149
      5.76140.07730.0082
    Tools

    Get Citation

    Copy Citation Text

    Yaoyao You, Min Li, Ruishi Mao, Weilong Li, Yongchun Feng, Tiecheng Zhao, Yaoxiong Yang, Wentao Wang. Real-time beam intensity measurement system for extraction section of cyclotron in Heavy Ion Medical Machine[J]. High Power Laser and Particle Beams, 2022, 34(11): 114001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Particle Beams and Accelerator Technology

    Received: Mar. 9, 2022

    Accepted: --

    Published Online: Oct. 18, 2022

    The Author Email: Li Min (limin@impcas.ac.cn)

    DOI:10.11884/HPLPB202234.220064

    Topics