Simulation of an Octupole Scanning Magnet for Spot Scanning in Proton Therapy
Jia, BL; Ouyang, LH; Zhao, ZT
2018
发表期刊IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN1051-8223
卷号28期号:3页码:-
文章类型期刊论文
摘要Current proton therapy scanning systems always use two independent dipole magnets for spot scanning in proton therapy. However, the space occupied by these two dipole magnets located after the final gantry bending magnets is very large and increases the overall size of the gantry. In order to construct a compact nozzle and decrease the size of the gantry, we decide to design an octupole scanning magnet to replace these two separate dipole magnets. The octupole scanning magnet, which is completely different from traditional octupole magnet, can generate rotating dipole magnetic field with the change of the loaded sinusoidal current phases. In this paper, we have finished the static optimization of an octupole scanning magnet model, including the length and shape of the poles, the diameter of the gap, and the shims on the pole edges, both in Opera two-dimensional (2-D) and 3-D. The corresponding relationship between the size of the gap and the good field region was also studied. The effect of eddy currents on magnetic field stability was also simulated in Opera 3-D. All the simulation results are presented in this paper.
DOI10.1109/TASC.2017.2773828
收录类别SCI
语种英语
WOS记录号WOS:000418082400001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29136
专题中科院上海应用物理研究所2011-2018年
作者单位1.Jia, BL
2.Ouyang, LH
3.Zhao, ZT
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GB/T 7714
Jia, BL,Ouyang, LH,Zhao, ZT. Simulation of an Octupole Scanning Magnet for Spot Scanning in Proton Therapy[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2018,28(3):-.
APA Jia, BL,Ouyang, LH,&Zhao, ZT.(2018).Simulation of an Octupole Scanning Magnet for Spot Scanning in Proton Therapy.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,28(3),-.
MLA Jia, BL,et al."Simulation of an Octupole Scanning Magnet for Spot Scanning in Proton Therapy".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 28.3(2018):-.
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