Production of Large-Area High-Current Ion Beams

概要

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A newly designed microwave ion source is provided hydrogen beam up to 0.5 A at steady state operation with ion energy of 1 keV. The extraction electrodes are multi-aperture and are arranged in an accel-decel arrangement with a 4 cm diameter. Maximum divergence is 2° from the beam axis. The beam is 85% composed of molecular ions, of which either the diatomic or triatomic component could be maximized by an adjustment of the gas fed to a discharge region. The source is technologically simple, inexpensive, steadystate, and long lived. The basic concepts under lying the production of ion beams are also discussed.
核融合科学研究所の論文