High Power Laser and Particle Beams, Volume. 34, Issue 8, 084003(2022)
Development of a fully automated magnetic field measurement and shimming platform for small cyclotrons
Figures & Tables(12)
Fig. 2. Flow chart of magnetic field measurement and shimming process
Fig. 3. Schematic diagram of radial positioning method for magnetic field measurement
Fig. 4. Schematic diagram of fully automated magnetic field measuring device
Fig. 7. Shape function of odd and even triangle shimming algorithm
Fig. 10. Results of 14 MeV small cyclotron final magnetic field measurement shimming
Table 1. Physical design parameters of 14 MeV cyclotron
View tableView in ArticleTable 1. Physical design parameters of 14 MeV cyclotron
energy/MeV current/µA radius/mm pole angle/（°） hamonic number frequency/MHz gain/MeV 14 400 500 52 4 73.02 0.16
Table 2. Magnetic field measurement error requirement
View tableView in ArticleTable 2. Magnetic field measurement error requirement
random error field measuring error/T radial measuring error/mm radial positioning error/mm angle measuring error/s angle positioning error/s 2×10−4 0.1 0.1 12 20 system error measuring arm horizontal error/mm measuring arm axial error/mm probe horizontal position error/mm probe tilt error/( ͦ ) center shaft tilt error/( ͦ ) 0.1 0.2 4 2 0.2
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Leilei Guan, Ming Li, Tao Cui, Xianlu Jia, Tianjue Zhang, Shizhong An, Peng Huang, Fei Wang. Development of a fully automated magnetic field measurement and shimming platform for small cyclotrons[J]. High Power Laser and Particle Beams, 2022, 34(8): 084003
Paper Information
Category: Particle Beams and Accelerator Technology
Received: Nov. 24, 2021
Accepted: --
Published Online: Aug. 8, 2022
The Author Email: Ming Li (393054642@qq.com)
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