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Analysis of the Spatial Non-Uniformity of Negative Ion Production in Surface-Produced Negative Ion Sources.
- Source :
-
AIP Conference Proceedings . 2017, Vol. 1869 Issue 1, p1-8. 8p. 2 Diagrams, 3 Charts, 3 Graphs. - Publication Year :
- 2017
-
Abstract
- In order to improve the uniformity of the negative ion production, the KEIO-MARC code has been applied to the QST's JT60SA negative ion source in three different magnetic configurations (i) MC-PGMF (Multi-Cusp and PG Magnetic Filter), (ii) TNT-MF (TeNT Magnetic Filter) and (iii) MTNT-MF (Modified TeNT Magnetic Filter). From the results, we have confirmed that the electron rotation inside the negative ion source is an essential element in order to obtain a uniform production of the negative ions. By adding extra tent magnets on the longitudinal sides, the electron rotation has been enhanced, and a uniform production of negative ions has been realized. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0094243X
- Volume :
- 1869
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- AIP Conference Proceedings
- Publication Type :
- Conference
- Accession number :
- 124571153
- Full Text :
- https://doi.org/10.1063/1.4995761