First results of a new quadrupole minimum-B permanent magnet electron cyclotron resonance ion source

被引：6
|
作者：
Kalvas, T. [1 ]
Toivanen, V [1 ]
Kosonen, S. T. [1 ]
Koivisto, H. [1 ]
Tarvainen, O. [2 ]
Maunoury, L. [3 ]
机构：
[1] Univ Jyvaskyla, Dept Phys, Accelerator Lab, FIN-40014 Jyvaskyla, Finland
[2] STFC Rutherford Appleton Lab, UK Res & Innovat, Harwell Campus, Didcot OX11 0QX, England
[3] Grand Accelerateur Natl Ions Lourds, Blvd Henri Becquerel, F-14000 Caen, France
来源：
PLASMA SOURCES SCIENCE & TECHNOLOGY | 2022年 / 31卷 / 12期
基金：
芬兰科学院;
关键词：
electron cyclotron resonance; ion source; plasma generation; plasma confinement; ion beam; CONFINEMENT;
D O I：
10.1088/1361-6595/acacc3
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The first experimental results of a novel permanent magnet electron cyclotron resonance ion source (ECRIS) with a minimum-B quadrupole magnetic field topology are presented. Bremsstrahlung measurements indicate that the electrons can reach energies of 150-200 keV. Ion charge states up to Ar11+ and Kr15+ were detected in the charge state distributions of the extracted beams. Measurements in pulsed operation mode reveal an afterglow peak, which implies that high charge state ions are confined electrostatically similar to a conventional ECRIS. The potential applications and future development of the ion source are discussed.
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页数：5
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