Characteristics of 80 keV positive ion source for Large Helical Device

被引：2
|
作者：
Nakano, H. [1 ]
Osakabe, M. [1 ]
Tsumori, K. [1 ]
Sato, M. [1 ]
Shibuya, M. [1 ]
Ikeda, K. [1 ]
Nagaoka, K. [1 ]
Kaneko, O. [1 ]
Asano, E. [1 ]
Kondo, T. [1 ]
Komada, S. [1 ]
Takeiri, Y. [1 ]
机构：
[1] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 02期
关键词：
deuterium; hydrogen ions; ion beams; ion sources; molybdenum; plasma beam injection heating; plasma toroidal confinement; positive ions; stellarators;
D O I：
10.1063/1.3298843
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An additional beamline, BL5, equipped with four positive ion sources will be installed on Large Helical Device (LHD) in 2010. The performance of an ion source which generates 80 keV deuterium and 60 keV hydrogen beams was investigated. The structure of the ion source is based on that of a BL4 ion source on LHD. The main differences between the ion sources for the BL4 and BL5 are the acceleration voltages and the materials of plasma electrodes: copper and molybdenum, respectively. The molybdenum plasma electrode for BL5 has better performance than the copper plasma electrode of BL4. The integrated performance of the ion source for BL5 reached a value equivalent to similar to 58 A in the beam current of hydrogen positive ion at 60 keV in the beam energy.
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页数：4
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