Beam optics of the doubly-focusing uniform-field deflecting magnets

Qingchang Yu

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Beam optics of the doubly-focusing uniform-field deflecting magnets

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- Beam optics of the doubly-focusing uniform-field deflecting magnets
- Nuclear Techniques Vol. 05, Issue 5, (1982)
- 作者机构：
  
  中国科学院高能物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：10 January 1980，
  
  Published：1982-10
- 稿件说明：
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Qingchang Yu. Beam optics of the doubly-focusing uniform-field deflecting magnets[J]. Nuclear techniques, 1982, 05(5): 15-20.
DOI：

Qingchang Yu. Beam optics of the doubly-focusing uniform-field deflecting magnets[J]. Nuclear techniques, 1982, 05(5): 15-20. DOI：

摘要

本文研究均匀场双聚焦偏转磁铁的束流光学性质。文中得到了入射束和出射束轴对称情况下磁铁的双聚焦条件，导出了物腰和象腰的特征长度、物距、象距和磁铁的入口倾斜角、出口倾斜角、偏转角之间的关系。考虑了由于实际边缘场的延伸而引起的修正。

Abstract

The beam optics of the doubly-focusing uniform-field magnets is studied. The doubly-focusing condition of the magnets for axisymmetrical incident and emergent beams is obtained. The relations among the characteristic lengths of object-waist and the image-waist

object distance

image distance

entrance angle

exit angle and deflection angle are derived. The correction for the finite extent of the actual fringing-field is considered.

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Keywords

references

S. Penner , Rev. Sci. Instr. , 32 , 150 （ 1961 ）.

K. L. Brown et al . , Rev. Sci. Instr. , 35 , 481 （ 1964 ）.

A. Septier Ed. , Focusing of charged particles. Vol.2 , Academic Press , New York , 1967 , p. 203 .

A. P. Banford , The transport of charged particle beams , Spon , London , 1966 , p. 27 .

胡迺雄，原子能科学技术， 287 （ 1979 ）.

W. G. Cross , Rev. Sci. Instr. , 22 , 717 （ 1951 ）.

P. Ciuti and F. DeGuarrini , Nucl. Instr. Meth. , 98 , 361 （ 1972 ）.

郁庆长，目然杂志， 3 , 554 （ 1980 ）.

K. L. Brown , SLAC -75 （ 1967 ）.

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