Development of negative ion extractor in the high-power and long-pulse negative ion source for fusion application

2014 ◽  
Vol 85 (2) ◽  
pp. 02B320 ◽  
Author(s):  
M. Kashiwagi ◽  
N. Umeda ◽  
H. Tobari ◽  
A. Kojima ◽  
M. Yoshida ◽  
...  
Keyword(s):  
High Power ◽  
Ion Source ◽  
Negative Ion ◽  
Long Pulse

Development of long-pulse high-power-density negative ion beams with a multi-aperture multi-grid accelerator

2017 ◽  
Vol 123 ◽  
pp. 236-240 ◽  
Author(s):  
Atsushi Kojima ◽  
Junichi Hiratsuka ◽  
Naotaka Umeda ◽  
Masaya Hanada ◽  
Mieko Kashiwagi ◽  
...  
Keyword(s):  
Power Density ◽  
High Power ◽  
Ion Beams ◽  
Negative Ion ◽  
High Power Density ◽  
Long Pulse

Development of high power negative ion source/accelerator for ITER-NBI

2002 ◽  
Author(s):  
K. Miyamoto ◽  
Y. Fujiwara ◽  
M. Hanada ◽  
T. Inoue ◽  
N. Miyamoto ◽  
...  
Keyword(s):  
High Power ◽  
Ion Source ◽  
Negative Ion

Dependence of the Performance of the Long Pulse RF Driven Negative Ion Source on the Magnetic Filter Field

2011 ◽  
Author(s):  
W. Kraus ◽  
U. Fantz ◽  
D. Wünderlich ◽  
Yasuhiko Takeiri ◽  
Katsuyoshi Tsumori ◽  
...  
Keyword(s):  
Ion Source ◽  
Negative Ion ◽  
Magnetic Filter ◽  
Long Pulse

Achievement of stable negative ion production with Cs-seeded for long pulse beam operation in the prototype of Cs-seeded negative ion source for JT-60SA

2020 ◽  
Vol 91 (2) ◽  
pp. 023502
Author(s):  
Masahiro Ichikawa ◽  
Atsushi Kojima ◽  
Junichi Hiratsuka ◽  
Masafumi Yoshida ◽  
Naotaka Umeda ◽  
...  
Keyword(s):  
Ion Source ◽  
Negative Ion ◽  
Pulse Beam ◽  
Ion Production ◽  
Long Pulse

Actively cooled plasma electrode for long pulse operations in a cesium-seeded negative ion source

2005 ◽  
Vol 76 (1) ◽  
pp. 013501 ◽  
Author(s):  
Yukio Fujiwara ◽  
Kazuhiro Watanabe ◽  
Yoshikazu Okumura ◽  
Rusty Trainham ◽  
Claude Jacquot
Keyword(s):  
Ion Source ◽  
Negative Ion ◽  
Long Pulse ◽  
Plasma Electrode

Long pulse operation of the KAMABOKO III negative ion source

2002 ◽  
Vol 73 (2) ◽  
pp. 1093-1095 ◽  
Author(s):  
D. Boilson ◽  
H. P. L. de Esch ◽  
R. S. Hemsworth ◽  
M. Kashiwagi ◽  
P. Massmann ◽  
...  
Keyword(s):  
Ion Source ◽  
Negative Ion ◽  
Pulse Operation ◽  
Long Pulse

scholarly journals Primary electron analysis to improve the negative ion uniformity toward ITER-class long pulse and high-power negative ion sources

2021 ◽  
Author(s):  
Yuji Shimabukuro ◽  
Masahiro Ichikawa ◽  
Masamichi Murayama ◽  
Glynnis Saquilayan ◽  
Atsushi Kojima ◽  
...  
Keyword(s):  
High Power ◽  
Primary Electron ◽  
Ion Sources ◽  
Negative Ion ◽  
Long Pulse

scholarly journals Characteristics of long-pulse negative-ion source in the neutral beam injector of Large Helical Device

2006 ◽  
Vol 77 (3) ◽  
pp. 03A523 ◽  
Author(s):  
Y. Takeiri ◽  
K. Ikeda ◽  
Y. Oka ◽  
K. Tsumori ◽  
M. Osakabe ◽  
...  
Keyword(s):  
Ion Source ◽  
Negative Ion ◽  
Neutral Beam ◽  
Neutral Beam Injector ◽  
Long Pulse
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