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Reduction of the impurity concentration of an intense hydrogen ion beam
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...
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Published in: | Review of scientific instruments 1983-01, Vol.54 (1), p.50-55 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | 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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ISSN: | 0034-6748 1089-7623 |
DOI: | 10.1063/1.1137214 |