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Reduction of the impurity concentration of an intense hydrogen ion beam

 

作者: W. Ott,   K. Freudenberger,   F. P. Penningsfeld,   F. Probst,   R. Suess,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1983）
卷期: Volume 54, issue 1  

页码: 50-55

 

ISSN:0034-6748

 

年代: 1983

 

DOI:10.1063/1.1137214

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An effort was made to measure and reduce the impurity content of an intense hydrogen beam used for neutral injection heating of a stellarator plasma. Originally, the hydrogen ion beam contained 5% water and water‐like ions. A simple and very useful method to reduce the contamination turned out to be evaporation of titanium on the inner surfaces of the ion source, which reduced the low‐Z impurity content to 0.6%.

 

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