Recent Negative Ion Source Developments
- 1 February 1979
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 26 (1), 1542-1548
- https://doi.org/10.1109/tns.1979.4330435
Abstract
This report describes recent results obtained from studies associated with the development of negative ion sources which utilize sputtering in a diffuse cesium plasma as a means of ion beam generation. Data are presented which relate negative ion yield and important operational parameters such as cesium oven temperature and sputter probe voltage from each of the following sources: 1) A source based in principle according to the University of Aarhus design and 2) an axial geometry source. The important design aspects of the sources are given - along with a list of the negative ion intensities observed to date. Also a qualitative description and interpretation of the negative ion generation mechanism in sources which utilize sputtering in the presence of cesium is given.Keywords
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