Chinese Physics C > 1982, Vol. 6 > Issue(4): 435-441

AN ION GUN WITH THREE ELECTRODES

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Abstract：
The formulae of calculating the slop and the radius of the ion beam in the A ₂exit hole and the distance d ₂between the two accelerting electrodes is drived basedon the theory of patallel axis linear optics. The influence of the uniform acceleratingelectric field and the space charge in the A ₁-- A ₂region on the particle trajectory isconsidered. An example is calculated numericaly and compared with analytic results.

References

[1]

A. Septier, "Focnsing of Charged particles", Vol. II, Academic press, New York. 1967.[2] J. R. Pierce, "Tory aad design of electzoa, Beanie ", D. Van Nostrand Co, New York, 1954.[3] Н. С. Зинченко 《Курс лекчий по электронной ошике》 Изд. xарвкоrо университета. 1961.〔中译本尼·谢·任晴科, “电子光学教程”, 清华大学译, 人民教育出版社, 1961).[4] Jinehoon gim, J. H. Weapon and Gerd Schilling, J. A. P., Vol. 49, No. 1-2, 1978, p. 517.[5] YAN-离源引出系统离子轨迹计算程序(高能所内部资料)1979.[6] D. G. Bate, CLM-R53,1969.

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REN WEN-BIN and YU QING-CHANG. AN ION GUN WITH THREE ELECTRODES[J]. Chinese Physics C, 1982, 6(4): 435-441.

REN WEN-BIN and YU QING-CHANG. AN ION GUN WITH THREE ELECTRODES[J]. Chinese Physics C, 1982, 6(4): 435-441. shu

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Received: 1981-01-09
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

AN ION GUN WITH THREE ELECTRODES

REN WEN-BIN
YU QING-CHANG

Received Date:1981-01-09
Accepted Date:1900-01-01
Available Online:1982-08-05

Abstract:The formulae of calculating the slop and the radius of the ion beam in theA₂exit hole and the distanced₂between the two accelerting electrodes is drived basedon the theory of patallel axis linear optics. The influence of the uniform acceleratingelectric field and the space charge in theA₁--A₂region on the particle trajectory isconsidered. An example is calculated numericaly and compared with analytic results.