TY - GEN
T1 - Analysis of the spatial non-uniformity of negative ion production in surface-produced negative ion sources
AU - Fujita, S.
AU - Yamamoto, T.
AU - Yoshida, M.
AU - Onai, M.
AU - Kojima, A.
AU - Hatayama, A.
AU - Kashiwagi, M.
N1 - Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2017/8/9
Y1 - 2017/8/9
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=85030128560&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85030128560&partnerID=8YFLogxK
U2 - 10.1063/1.4995761
DO - 10.1063/1.4995761
M3 - Conference contribution
AN - SCOPUS:85030128560
T3 - AIP Conference Proceedings
BT - 5th International Symposium on Negative Ions, Beams and Sources, NIBS 2016
A2 - Faircloth, Dan
PB - American Institute of Physics Inc.
T2 - 5th International Symposium on Negative Ions, Beams and Sources, NIBS 2016
Y2 - 12 September 2016 through 16 September 2016
ER -