Large current negative hydrogen ion beam production

A. Ando; K. Tsumori; Y. Oka; O. Kaneko; Y. Takeiri; E. Asano; T. Kawamoto; R. Akiyama; T. Kuroda

doi:10.1063/1.870519

Large current negative hydrogen ion beam production

A. Ando, K. Tsumori, Y. Oka, O. Kaneko, Y. Takeiri, E. Asano, T. Kawamoto, R. Akiyama, T. Kuroda

ENG - Electrical Engineering

National Institutes of Natural Sciences - National Institute for Fusion Science

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Large current negative hydrogen ions are extracted from a multicusp ion source with an extraction area of 25X44 cm². By seeding a small amount of cesium vapor into a source chamber, the H^- current is enhanced to several times larger than that in a pure hydrogen discharge, accompanied by a reduction of the electron current and the filling gas pressure. A H^- current up to 16 A is obtained with a beam energy of 40 keV from 560 extraction holes of 9 mm in diameter each, where the current density is 45 mA/cm2. The H^- current increases linearly with the input arc power.

Original language	English
Pages (from-to)	2813-2815
Number of pages	3
Journal	Physics of Plasmas
Volume	1
Issue number	9
DOIs	https://doi.org/10.1063/1.870519
Publication status	Published - 1994

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title = "Large current negative hydrogen ion beam production",

abstract = "Large current negative hydrogen ions are extracted from a multicusp ion source with an extraction area of 25X44 cm2. By seeding a small amount of cesium vapor into a source chamber, the H- current is enhanced to several times larger than that in a pure hydrogen discharge, accompanied by a reduction of the electron current and the filling gas pressure. A H- current up to 16 A is obtained with a beam energy of 40 keV from 560 extraction holes of 9 mm in diameter each, where the current density is 45 mA/cm2. The H- current increases linearly with the input arc power.",

author = "A. Ando and K. Tsumori and Y. Oka and O. Kaneko and Y. Takeiri and E. Asano and T. Kawamoto and R. Akiyama and T. Kuroda",

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T1 - Large current negative hydrogen ion beam production

AU - Ando, A.

AU - Tsumori, K.

AU - Oka, Y.

AU - Kaneko, O.

AU - Takeiri, Y.

AU - Asano, E.

AU - Kawamoto, T.

AU - Akiyama, R.

AU - Kuroda, T.

PY - 1994

Y1 - 1994

N2 - Large current negative hydrogen ions are extracted from a multicusp ion source with an extraction area of 25X44 cm2. By seeding a small amount of cesium vapor into a source chamber, the H- current is enhanced to several times larger than that in a pure hydrogen discharge, accompanied by a reduction of the electron current and the filling gas pressure. A H- current up to 16 A is obtained with a beam energy of 40 keV from 560 extraction holes of 9 mm in diameter each, where the current density is 45 mA/cm2. The H- current increases linearly with the input arc power.

AB - Large current negative hydrogen ions are extracted from a multicusp ion source with an extraction area of 25X44 cm2. By seeding a small amount of cesium vapor into a source chamber, the H- current is enhanced to several times larger than that in a pure hydrogen discharge, accompanied by a reduction of the electron current and the filling gas pressure. A H- current up to 16 A is obtained with a beam energy of 40 keV from 560 extraction holes of 9 mm in diameter each, where the current density is 45 mA/cm2. The H- current increases linearly with the input arc power.

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Large current negative hydrogen ion beam production

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