EXPERIMENTS ON A REFLEX-TYPE SHEET PLASMA NEGATIVE-ION SOURCE

被引：3
|
作者：
ANDO, A
KURODA, T
OKA, Y
KANEKO, O
KARITA, A
KAWAMOTO, T
机构：
[1] National Institute for Fusion Science
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1990年 / 61卷 / 01期
关键词：
D O I：
10.1063/1.1141267
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Negative hydrogen ions are extracted from a reflex-type sheet plasma. Electron density and temperature profiles are measured with changing the filling gas pressure, and they are optimized to the H- production at the optimum gas pressure. The optimum gas pressure is 5 mTorr for the discharge current Id =2 A. As the discharge current Id increases, H- current increases linearly corresponding to the density increase in the center region, but saturates above Id =40 A. The maximum extracted H- current density of 4 mA/cm2 is obtained at Id=100 A.
引用
收藏
页码：442 / 444
页数：3
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