Kojima Atsushi 小島有志

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KOJIMA Atsushi 小島有志

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Researcher Number	50446449
Affiliation (Current)	2025: 国立研究開発法人量子科学技術研究開発機構, 那珂フュージョン科学技術研究所先進プラズマ研究部, グループリーダー 2025: 国立研究開発法人量子科学技術研究開発機構, 那珂研究所先進プラズマ研究部, グループリーダー 2025: 国立研究開発法人量子科学技術研究開発機構, 那珂研究所 ITERプロジェクト部, 上席研究員
Affiliation (based on the past Project Information) *help	2017: 国立研究開発法人量子科学技術研究開発機構, 那珂核融合研究所, 研究副主幹 2008 – 2009: Japan Atomic Energy Agency, 核融合研究開発部門, 任期付研究員 2007: Japan Atomic Energy Agency, 核融合研究開発部門, 博士研究員 2006 – 2007: 独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 博士研究員
Review Section/Research Field	Principal Investigator Nuclear fusion studies Except Principal Investigator Nuclear fusion studies
Keywords	Principal Investigator Liビームプローブ / 輸送障壁 / 揺動計測 / 周辺プラズマ / トカマク / リチウムビームプローブ / 周辺輸送障壁 / リチウムビーム / プラズマ閉込め・安定性 Except Principal Investigator ELM … More / シミュレーション / 中性粒子 / 核融合周辺プラズマ / プラズマ物理 / 分子活性化再結合 / 粒子シミュレーション / デッタチメントプラズマ / ダイバータ / 核癒合周辺プラズマ / ELMs / 電流分布測定 / 電子ビーム加熱型イオン源 / ゼーマン偏光分光 / 診断用リチウムビーム / 境界輸送障壁 / プラズマ閉じ込め / ゼーマン偏光 / リチウムビーム / Hモード / プラズマ閉じ込め・安定性 / 磁場核融合 Less

Kinetic Modeling of Fusion Edge Plasma and Dynamic Characteristics of Detachemnt Plasmas
- Principal Investigator
  
  Hatayama Akiyoshi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Nuclear fusion studies
- Research Institution
  Keio University
Study of the edge transport barrier by using the lithium beam emission spectroscopy with high-temporal resolutionPrincipal Investigator
- Principal Investigator
  
  KOJIMA Atsushi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Nuclear fusion studies
- Research Institution
  Japan Atomic Energy Agency
Investigation on the edge structure of tokamak plasmas by edge current profile measurement with ultra-high spatial resolution
- Principal Investigator
  
  FUJITA Takaaki
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Nuclear fusion studies
- Research Institution
  Japan Atomic Energy Agency

All 2017 2016 2015 2010 2009 2008 2007 2006

All Journal Article Presentation

[Journal Article] Analysis of the beam halo in negative ion sources by using 3D3V PIC code2016
- Author(s)
  K. Miyamoto, S. Nishioka, I. Goto, A. Hatayama, M. Hanada, A. Kojima, J. Hiratsuka
- Journal Title
  
  Rev. Sci. Instrum.
  
  Volume: 87 Issue: 2 Pages: 1-3
- DOI
  10.1063/1.4932390
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26400533, KAKENHI-PROJECT-15H04232
[Journal Article] Measurement of heat load density profile on acceleration grid in MeV-class negative ion accelerator2016
- Author(s)
  J.Hiratsuka, M.Hanada, A.Kojima, N.Umeda, M.Kashiwagi, K.Miyamoto, M.Yoshida, R.Nishikiori, M.Ichikawa, K.Watanabe and H.Tobari
- Journal Title
  
  Review of Scientific Instruments
  
  Volume: 87
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H04232
[Journal Article] Development of a Lithium Beam Probe and Measurement of Density Pedestal in JT-60U2010
- Author(s)
  Atshushi Kojima
- Journal Title
  
  Plasma and Fusion Research 5
- NAID
  130000309228
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Development of a Lithium Beam Probe and Density Pedestal Measurement in JT-60U2010
- Author(s)
  Atsushi Kojima, Kensaku KAMIYA, Takaaki FUJITA, 他4名
- Journal Title
  
  Plasma Fusion Res 5
  
  Pages: 15-15
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Effects of edge collisionality on ELM characteristics in the grassy ELM regime2010
- Author(s)
  N. Oyama, A. Kojima, N. Aiba, 他7名
- Journal Title
  
  Nucl. Fusion 50
  
  Pages: 64014-64014
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Zeeman polarimetry measurement for edge current density determination using Li-beam probe on JT-60U2010
- Author(s)
  K. Kamiya, T. Fujita, A. Kojima, H. Kubo
- Journal Title
  
  Rev. Sci. Instrum 81
  
  Pages: 33502-33502
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009
- Author(s)
  A. Kojima, N. Oyama, Y. Sakamoto, Y. Kamada, 他5名
- Journal Title
  
  Nucl. Fusion 49
  
  Pages: 115008-115008
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009
- Author(s)
  A. Kojima, N. Oyama, Y. Sakamoto, Y. Kamada, H. Urano, K. Kamiya, T. Fujita, H. Kubo and the JT-60 Team
- Journal Title
  
  in Proc. 22nd IAEA Fusion Energy Conference 2008 (Geneva, 13-18 October 2008) (Vienna: IAEA)
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009
- Author(s)
  小島有志
- Journal Title
  
  Proc. 22nd IAEA Fusion Energy Conference 2008
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008
- Author(s)
  小島有志
- Journal Title
  
  Review of Scientific Instruments 79
  
  Pages: 93502-93502
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Development of a high-brightness and low-divergence lithium neutral be am for a Zeeman polarimetry on JT-60U2008
- Author(s)
  Atshushi Kojima
- Journal Title
  
  Eeview of Scientific Instruments 79
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008
- Author(s)
  Atshushi Kojima, Kensaku Kamiya, Harukazu Iguchi, Takaaki Fujita, Hideto Kakiuchi, Yutaka Kamada
- Journal Title
  
  Rev. Sci. Instrum 79
  
  Pages: 93502-93502
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008
- Author(s)
  A. Kojima, K. Kamiya, H. Iguchi, T. Fujita, H. Kakiuchi and Y. Kamada
- Journal Title
  
  Rev. Sci. Instrum. 79巻
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007
- Author(s)
  小島有志
- Journal Title
  
  Plasma and Fusion Research 2
- NAID
  130002058993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007
- Author(s)
  小島有志
- Journal Title
  
  Plasma and Fusion Research 2
- NAID
  130002058993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007
- Author(s)
  Atsushi Kojima, Kensaku KAMIYA, Harukazu IGUCHI, Takaaki FUJITA, Yutaka KAMADA
- Journal Title
  
  Plasma Fusion Res 2
- NAID
  130002058993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760603
[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007
- Author(s)
  A. Kojima, K. Kamiya, H. Iguchi, T. Fujita and Y. Kamada
- Journal Title
  
  Plasma Fusion Res. 2巻
- NAID
  130002058993
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2006
- Author(s)
  小島有志
- Journal Title
  
  16th International Toki Conference予稿集
  
  Pages: 125-125
- NAID
  130002058993
- Data Source
  KAKENHI-PROJECT-17106013
[Journal Article] JT-60におけるゼーマン偏光計測のための高輝度リチウムイオン銃の開発2006
- Author(s)
  小島有志
- Journal Title
  
  プラズマ・核融合学会第23回年会予稿集
  
  Pages: 287-287
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] The Effect of Transport and Extraction of Non-Uniform Surface Produced H- in Large Multi-Aperture Negative Ion Sources2017
- Author(s)
  S. Fujita, T. Yamamoto, M. Yoshida, M. Onai, A. Kojima, A. Hatayama
- Organizer
  17th International Conference on Ion Sources
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04232
[Presentation] Analysis of the Spatial Non-Uniformity of Negative Ion Production in Surface-Produced Negative Ion Sources2016
- Author(s)
  S. Fujita, T. Yamamoto, M. Yoshida, M. Onai, A. Kojima, A. Hatayama and M. Kashiwagi
- Organizer
  5th International Symposium on Negative Ions, Beams and Sources
- Place of Presentation
  Oxford(UK)
- Year and Date
  2016-09-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04232
[Presentation] Study of Energy Relaxation Processes of the Surface Produced Negative Ions by Using 3D3V-PIC Simulation2016
- Author(s)
  K. Miyamoto, I. Goto, S. Nishioka, A. Hatayama, J. Hiratsuka, M. Hanada, and A.Kojima
- Organizer
  5th International Symposium on Negative Ions, Beams and Sources
- Place of Presentation
  Oxford(UK)
- Year and Date
  2016-09-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04232
[Presentation] Analysis of the beam halo in negative ion sources by using 3D3V PIC cod2015
- Author(s)
  K.Miyamoto,S.Nishioka,I.Goto,A.Hatayama,M.Hanada,A.Kojima,and J.Hiratsuka
- Organizer
  16th International Conference on Ion Sources
- Place of Presentation
  New York ( USA)
- Year and Date
  2015-08-22
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H04232
[Presentation] Measurement of heat load density profile on acceleration grid in MeV-class negative ion accelerator2015
- Author(s)
  J.Hiratsuka, M.Hanada, A.Kojima, N.Umeda, M.Kashiwagi, K.Miyamoto, M.Yoshida, R.Nishikiori, M.Ichikawa, K.Watanabe and H.Tobari
- Organizer
  16th International Conference on Ion Sources
- Place of Presentation
  New York ( USA)
- Year and Date
  2015-08-22
- Data Source
  KAKENHI-PROJECT-15H04232
[Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008
- Author(s)
  小島有志
- Organizer
  第25回プラズマ核融合学会年会
- Place of Presentation
  宇都宮大学(宇都宮市)
- Year and Date
  2008-12-02
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] Fast dynamics of type I and grassy ELMs in JT-60U2008
- Author(s)
  A. Kojima
- Organizer
  22nd IAEA Fusion Energy Conference
- Place of Presentation
  Geneva, Switzerland
- Year and Date
  2008-10-17
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008
- Author(s)
  小島有志
- Organizer
  第25回プラズマ核融合学会年会
- Place of Presentation
  栃木県宇都宮市
- Year and Date
  2008-12-02
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008
- Author(s)
  小島有志
- Organizer
  第25回プラズマ・核融合学会年会招待講演
- Place of Presentation
  栃木県宇都宮市
- Year and Date
  2008-12-02
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008
- Author(s)
  小島有志
- Organizer
  第25回プラズマ・核融合学会年会
- Place of Presentation
  栃木県宇都宮市
- Year and Date
  2008-12-02
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] Fast Djraamics of Type I and Grassy ELMs in JT-60U2008
- Author(s)
  Atshushi Kojima
- Organizer
  22nd IAEA Fusion Energy Conference
- Place of Presentation
  Geneva, Switzerland
- Year and Date
  2008-10-17
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] Fast dynamics of type I and grassy ELMs in JT-60U2008
- Author(s)
  A. Kojima
- Organizer
  22nd IAEA Fusion Energy Conference
- Place of Presentation
  Geneva, Switzerland
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] JT-60Uにおける周辺電流分布計測を目的とした高輝度低発散リチウムイオン銃の開発2007
- Author(s)
  小島有志
- Organizer
  プラズマ・核融合学会第24回年会
- Place of Presentation
  兵庫県姫路市
- Year and Date
  2007-11-29
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] JT-60Uにおける周辺電流分布計測を目的とした高輝度低発散リチウムイオン銃の開発2007
- Author(s)
  小島有志
- Organizer
  プラズマ・核融合学会第24回年会
- Place of Presentation
  兵庫県姫路市
- Year and Date
  2007-11-29
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] JT-60Uにおける周辺電流分布計測を目的とした高輝度低発散リチウムイオン銃の開発2007
- Author(s)
  小島有志
- Organizer
  第24回プラズマ・核融合学会年会
- Place of Presentation
  兵庫県姫路市
- Year and Date
  2007-11-29
- Data Source
  KAKENHI-PROJECT-19760603
[Presentation] JT-60Uにおけるゼーマン偏光計測のための高輝度リチウムイオン銃の開発2006
- Author(s)
  小島有志
- Organizer
  第23回プラズマ核融合学会年会
- Place of Presentation
  筑波大学(つくば市)
- Year and Date
  2006-12-01
- Data Source
  KAKENHI-PROJECT-17106013
[Presentation] Numerical Simulation of a High-Brightness Lithium Ion gun for a Zeeman Polarimetry on JT-60U2006
- Author(s)
  A. Kojima
- Organizer
  16th International Toki Conference
- Place of Presentation
  Ceratopia Toki, Gifu, JAPAN
- Data Source
  KAKENHI-PROJECT-17106013

1. IGUCHI Harukazu (40115522)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
2. OYAMA Naoyuki (80354596)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. SUZUKI Takahiro (60354594)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. KAMADA Yutaka (30354567)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
5. FUJITA Takaaki (70354602)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
6. KAMIYA Kensaku (60360426)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
7. KUBO Hirotaka (40354584)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. MIURA Yukitoshi (60354586)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. Hatayama Akiyoshi (10245607)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
10. Sawada Keiji (40262688)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. Tsumori Katuyoshi (50236949)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. Murakami Izumi (30290919)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. Nakamura Hiroaki (30311210)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. Nakashima Yousuke (00188939)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 宮本賢治 (00532996)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
16. 林伸彦 (10354573)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 星野一生 (50513222)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 深野あづさ (90259838)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. Lettry Jacques

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Kojima Atsushi 小島 有志

KOJIMA Atsushi 小島 有志

Research Projects

Research Products

Co-Researchers

Kinetic Modeling of Fusion Edge Plasma and Dynamic Characteristics of Detachemnt Plasmas

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of the edge transport barrier by using the lithium beam emission spectroscopy with high-temporal resolutionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Investigation on the edge structure of tokamak plasmas by edge current profile measurement with ultra-high spatial resolution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Analysis of the beam halo in negative ion sources by using 3D3V PIC code2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Measurement of heat load density profile on acceleration grid in MeV-class negative ion accelerator2016

Author(s)

Journal Title

Data Source

[Journal Article] Development of a Lithium Beam Probe and Measurement of Density Pedestal in JT-60U2010

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Development of a Lithium Beam Probe and Density Pedestal Measurement in JT-60U2010

Author(s)

Journal Title

Data Source

[Journal Article] Effects of edge collisionality on ELM characteristics in the grassy ELM regime2010

Author(s)

Journal Title

Data Source

[Journal Article] Zeeman polarimetry measurement for edge current density determination using Li-beam probe on JT-60U2010

Author(s)

Journal Title

Data Source

[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009

Author(s)

Journal Title

Data Source

[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009

Author(s)

Journal Title

Data Source

[Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009

Author(s)

Journal Title

Data Source

[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008

Author(s)

Journal Title

Data Source

[Journal Article] Development of a high-brightness and low-divergence lithium neutral be am for a Zeeman polarimetry on JT-60U2008

Author(s)

Journal Title

Data Source

[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008

Author(s)

Journal Title

Data Source

[Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008

Author(s)

Journal Title

Data Source

[Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007

Author(s)

Journal Title

Kojima Atsushi 小島有志

KOJIMA Atsushi 小島有志