Some characteristics of moderate energy metal ion beam focusing by a high current plasma lens

被引：15
|
作者：
Goncharov, A
Dobrovolsky, A
Protsenko, I
Kaluh, V
Onishenko, I
Brown, I
机构：
[1] NASU, Inst Phys, UA-252650 Kiev 39, Ukraine
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1998年 / 69卷 / 02期
关键词：
D O I：
10.1063/1.1148647
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The results of experiments on moderate energy (4-25 keV) metal ion beam focusing by a high current plasma lens (PL) are presented. The ion beam was produced by a two-chamber vacuum-are metal vapor vacuum are (MEVVA)-type ion source. Characteristics of the beam passing through the lens have been measured and the PL focusing properties determined fora wide range of ion beam energy and current. Distributions have been determined of the external potential along the lens electrodes that provide maximum increase of the beam current density on axis. Certain features of metal ion beam focusing by the PL are discussed. Some of these characteristics depend on the method of application of the external electric potential to the lens electrodes. (C) 1988 American. Institute of Physics.
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收藏
页码：1135 / 1137
页数：3
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