Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 87, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4931788
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Multi-slit triode ion-optical systems with spherical electrodes are of interest for formation of intense focused neutral beams for plasma heating. At present, two versions of focusing multi-slit triode ion optical system are developed. The first ion optical system forms the proton beam with 15 keV energy, 140 A current, and 30 ms duration. The second ion optical system is intended for heating neutral beam injector of Tokamak Configuration Variable (TCV). The injector produces focused deuterium neutral beam with 35 keV energy, 1MWpower, and 2 s duration. In the later case, the angular beam divergence of the neutral beam is 20-22 mrad in the direction across the slits of the ion optical system and 12 mrad in the direction along the slits. (C) 2015 AIP Publishing LLC.
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