RF Driven Multicusp H- Ion Source

RF Driven Multicusp H- Ion Source

An rf driven multicusp source capable of generating 1-ms H{sup -} beam pulses with a repetition rate as high as 150 Hz has been developed. This source can be operated with a filament or other types of starter. There is almost no lifetime limitation and a clean plasma can be maintained for a long per...

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Veröffentlicht in:Review of scientific instruments 1990-06, Vol.62 (1)
Hauptverfasser: Leung, K.N., DeVries, G.J., DiVergilio, W.F., Hamm, R.W., Hauck, C.A., Kunkel, W.B., McDonald, D.S., Williams, M.D.
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99
CURRENT DENSITY
ION SOURCES
LIFETIME
PLASMA
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container_issue 1
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container_title Review of scientific instruments
container_volume 62
creator Leung, K.N.
DeVries, G.J.
DiVergilio, W.F.
Hamm, R.W.
Hauck, C.A.
Kunkel, W.B.
McDonald, D.S.
Williams, M.D.
description An rf driven multicusp source capable of generating 1-ms H{sup -} beam pulses with a repetition rate as high as 150 Hz has been developed. This source can be operated with a filament or other types of starter. There is almost no lifetime limitation and a clean plasma can be maintained for a long period of operation. It is demonstrated that rf power as high as 25 kW could be coupled inductively to the plasma via a glass-coated copper-coil antenna. The extracted H{sup -} current density achieved is about 200 mA/cm{sup 2}.
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subjects 99
CURRENT DENSITY
ION SOURCES
LIFETIME
PLASMA
title RF Driven Multicusp H- Ion Source
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