Photo-neutralization of Negative Ion Beam for Future Fusion Reactor

An exploratory study of negative ion beam photo-neutralization for future fusion reactors is explained. A refolded Fabry-Perot cavity system is proposed, with which a 60% neutralisation efficiency could be reached with low electric power consumption. The system would make use of sophisticated optica...

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Bibliographic Details
Main Authors: Chaibi, W, Blondel, C, Cabaret, L, Delsart, C, Drag, C, Simonin, A
Format: Conference Proceeding
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ANIONS
EFFICIENCY
GRAVITATIONAL WAVES
ION BEAMS
ITER TOKAMAK
PLASMA BEAM INJECTION
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Summary:An exploratory study of negative ion beam photo-neutralization for future fusion reactors is explained. A refolded Fabry-Perot cavity system is proposed, with which a 60% neutralisation efficiency could be reached with low electric power consumption. The system would make use of sophisticated optical-cavity locking systems, which have been developed recently for gravitational-wave optical detection. The ITER Neutral beam Injector is taken as an example.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3112535