A TANDEM MICROWAVE-DRIVEN NEGATIVE-ION SOURCE - EXPERIMENTAL RESULTS

被引：1
|
作者：
MARINAK, MM
MORSE, EC
机构：
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1990年 / 61卷 / 01期
关键词：
D O I：
10.1063/1.1141237
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A tandem microwave-driven plasma source for the production of H- ions has been developed and tested. The source has a microwave-driven primary chamber with a thermionic cathode-driven secondary plasma. This source was used to experimentally verify certain aspects of a theoretical model of H- production by Hiskes. A general agreement with the theory was found for the dependence of produced H- current with the plasma electron temperature. In addition, it appears that a surface production mechanism on the BaO-impregnated cathode enhanced the H- current production. Experimental results are given and compared to present theoretical understanding.
引用
收藏
页码：508 / 510
页数：3
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