Results 251 to 260 of about 5,097,999 (301)

Development of Multi-antenna RF Ion Source

Development of Multi-antenna RF Ion Source
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Development of Capacitively-Coupled RF Ion Source

Development of Capacitively-Coupled RF Ion Source
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STATUS OF THE J-PARC RF ION SOURCE

STATUS OF THE J-PARC RF ION SOURCE
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rf Absorption and Ion Heating in Helicon Sources

Physical Review Letters, 2002
Experimental data are presented that are consistent with the hypothesis that anomalous rf absorption in helicon sources is due to electron scattering arising from parametrically driven ion-acoustic waves downstream from the antenna. Also presented are ion temperature measurements demonstrating anisotropic heating (T( perpendicular)>T(parallel)) at the ...
J L, Kline, E E, Scime, R F, Boivin, A M, Keesee, X, Sun, V S, Mikhailenko   +5 more
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An RF ion source model for H-production

Plasma Sources Science and Technology, 2019
Abstract A 1D model of an RF driven ion source based on ionisation by thermal electrons is presented. The RF source differs from traditional filament and arc ion sources because there are no primary electrons present, and is simply composed of an antenna region (driver) and a main plasma discharge region.
I Turner, A J T Holmes, J Zacks, R McAdams   +3 more
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Compact RF ion source for industrial electrostatic ion accelerator

Review of Scientific Instruments, 2015
Korea Multi-purpose Accelerator Complex is developing a single-ended electrostatic ion accelerator to irradiate gaseous ions, such as hydrogen and nitrogen, on materials for industrial applications. ELV type high voltage power supply has been selected.
Hyeok-Jung, Kwon, Sae-Hoon, Park, Dae-Il, Kim, Yong-Sub, Cho   +3 more
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rf improvements for Spallation Neutron Source H− ion source

Review of Scientific Instruments, 2010
The Spallation Neutron Source at Oak Ridge National Laboratory is ramping up the accelerated proton beam power to 1.4 MW and just reached 1 MW. The rf-driven multicusp ion source that originates from the Lawrence Berkeley National Laboratory has been delivering ∼38 mA H− beam in the linac at 60 Hz, 0.9 ms.
Y W, Kang, R, Fuja, R H, Goulding, T, Hardek, S-W, Lee, M P, McCarthy, M C, Piller, K, Shin, M P, Stockli, R F, Welton   +9 more
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Characteristics of multiantenna rf ion source

Review of Scientific Instruments, 2006
We have developed a new multiantenna rf ion source for neutral beam injection and studied the effects of different antennas, connected in parallel, on the hydrogen plasma characteristics. The four-antenna elements 20 cm long are installed inside the 35×35×21 cm3 rectangular bucket chamber. The maximum rf power of 40 kW at 9 MHz is used. The ion current,
T. Shoji, Y. Oka
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Beams of Be+ from an RF ion source

Nuclear Instruments and Methods, 1974
Abstract A conventional radio-frequency ion source for a Van de Graaff accelerator was modified so that it produced beryllium ions when chlorine gas was used in the source. Analyzed Be + -beam currents of 0.15μA were produced. The modification had no effect on the operation of the source when hydrogen or helium were used.
Edwin Norbeck, Richard C. York
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