Study on Designing of Hexapole Magnet of ECR Ion Source

SUN Liang-Ting; ZHAO Hong-Wei

Chinese Physics C> 2004, Vol. 28> Issue(6) : 644-649

Study on Designing of Hexapole Magnet of ECR Ion Source

SUN Liang-Ting ^, ,
ZHAO Hong-Wei

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100039,China3 CEA/Grenoble,17Rue des Martyrs,38041 Grenoble,France

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Abstract：
Detailed research has been done on the aspects of the design of a Halbach structure permanent hexapole, such as the permanent material adoption, the structure design, and the dimension selection and etc. A possible method has been proposed to solve the problem of demagnetization in some magnetic blocks. By optimizing the geometry structure, the magnetic field in the working aperture is made to be the maximum for a certain condition. Some useful codes like POISSON, PERMAG, and TOSCA are used to simulate the sextuple magnetic field. Some useful plots are also presented.

References

[1]

. Geller R. Proceedings of the 15th Int ernational Workshop on ECR Ion Source. Jyvaskyla , Finland, 2002, 1-122. Kutner V B, ZHAO H W, Ef remov A A. Proceedings of the 12th International Workshop on ECR Ion Source, RIKEN, Japan, 1995,223-2273. XIE Z Q, Antaya T A. The PERMAG Code. Report MSUCL-.622 Michigan State University, East Lansing, 19874. Warren J L. Reference Manual for POISSON/SUPERFISH Group of Codes LA-UR-87-126, 19875. Halbach K. N. I.M, 1981, 187: 109-1176. Cavenago Marco, Bisoffi Giovanni. N. I.M, 1991, A301: 9-187. Katayose T et al . Proceeding of the 12th Int ernational Workshop on ECRIon Source, RIKEN, 1995, 2828. Hitz D et al . Proceedings of the 12th International Workshop on ECRIon Source. RIKEN, 1995, 1269. Gammino S, Diavola G, Celona L et al. Rev. Sci. Instr. , 2001, 72( 11) : 4090

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SUN Liang-Ting and ZHAO Hong-Wei. Study on Designing of Hexapole Magnet of ECR Ion Source[J]. Chinese Physics C, 2004, 28(6): 644-649.

SUN Liang-Ting and ZHAO Hong-Wei. Study on Designing of Hexapole Magnet of ECR Ion Source[J]. Chinese Physics C, 2004, 28(6): 644-649. shu

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Received: 2003-10-28
Revised: 1900-01-01

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Study on Designing of Hexapole Magnet of ECR Ion Source

SUN Liang-Ting ^,
ZHAO Hong-Wei

Corresponding author: SUN Liang-Ting,

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100039,China3 CEA/Grenoble,17Rue des Martyrs,38041 Grenoble,France

Received Date: 2003-10-28
Accepted Date: 1900-01-01
Available Online: 2004-06-05

Abstract: Detailed research has been done on the aspects of the design of a Halbach structure permanent hexapole, such as the permanent material adoption, the structure design, and the dimension selection and etc. A possible method has been proposed to solve the problem of demagnetization in some magnetic blocks. By optimizing the geometry structure, the magnetic field in the working aperture is made to be the maximum for a certain condition. Some useful codes like POISSON, PERMAG, and TOSCA are used to simulate the sextuple magnetic field. Some useful plots are also presented.