SHAPING AND ADJUSTING THE FRINGING FIELD OF IRON-FREE COILS BY USE OF SEPARATED COILS

LI Zeng-Hai; MAO Nai-Feng; SUN Qin-Ren

Chinese Physics C> 1986, Vol. 10> Issue(5) : 620-628

SHAPING AND ADJUSTING THE FRINGING FIELD OF IRON-FREE COILS BY USE OF SEPARATED COILS

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Abstract：
Magnetic field distribution, expressed in terms of coil parameters (geometric and current), of various kind of ironfree current wire elements is derived. A method for shaping and adjusting fringing field profile by the use of separated current wires which have different coil parameters is suggested, and the optimization of coil parameters is realized by the use of the method of least square. As an example, magnetic field profile of an iron-free magnetic β-ray spectrometer is shaped and adjusted to illustrate the use of this method.

References

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W. A. Perluns and J. G Brown, J. Appl. Phys., 35 (1964), 3337.[2] K. UO, J. Phys. Soc. Japan, 16(1961), 1380.[3] C. de Vries and A. H. Wapstra, Nuc. Instr. and Meth., 8(1960), 121.[4] K. Siegbahn et al., Nucl. Instr. and Meth., 27(1964), 173.[5] K. Siegbahn and K Edvarson, Nucl. Phys., 1(1956), 137.[6] R. Grisenti and A. Zecca, Rev. Sci. Instr., 52(1981), 1097.[7] R. Merritt et al., Rev. Sci. Instr., 54 (1983), 879.[8] M.Sauzade, 分析仪器, 1 (1974), 44.[9] 唐甫南, 分析仪器, 2 (1983), 19.[10] 茅乃丰, 带电拉子光学系统设计和计算机程序, 北京电机学会加速器委员会专题讲座讲义, 1981年, 北京.[11] Milorad Mladjenovic, Development of magnetic R-ray spectroscopy, (Lecture Notes in PhysicsVol.52), Berlin, Springer, 1976.[12] 茅乃丰等, 无铁环形磁月谱仪方案及磁场成形计算, 中国科学院原子能研究所1983年年报, 原子能出版社, 1984年.

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LI Zeng-Hai, MAO Nai-Feng and SUN Qin-Ren. SHAPING AND ADJUSTING THE FRINGING FIELD OF IRON-FREE COILS BY USE OF SEPARATED COILS[J]. Chinese Physics C, 1986, 10(5): 620-628.

LI Zeng-Hai, MAO Nai-Feng and SUN Qin-Ren. SHAPING AND ADJUSTING THE FRINGING FIELD OF IRON-FREE COILS BY USE OF SEPARATED COILS[J]. Chinese Physics C, 1986, 10(5): 620-628. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

SHAPING AND ADJUSTING THE FRINGING FIELD OF IRON-FREE COILS BY USE OF SEPARATED COILS

Corresponding author: LI Zeng-Hai,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-10-05

Abstract: Magnetic field distribution, expressed in terms of coil parameters (geometric and current), of various kind of ironfree current wire elements is derived. A method for shaping and adjusting fringing field profile by the use of separated current wires which have different coil parameters is suggested, and the optimization of coil parameters is realized by the use of the method of least square. As an example, magnetic field profile of an iron-free magnetic β-ray spectrometer is shaped and adjusted to illustrate the use of this method.