Fusion reaction diagnostics in degenerated plasmas

2008 Fiscal Year Final Research Report

• Project/Area Number: 16082204
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Osaka University
• Principal Investigator: AZECHI Hiroshi Osaka University, レーザーエネルギー学研究センター, 教授 (90135666)
• Co-Investigator(Kenkyū-buntansha): SHIRAGA Hiroyuki 大阪大学, レーザーエネルギー学研究センター, 教授 (90183839) ; SHIGEMORI Keisuke 大阪大学, レーザーエネルギー学研究センター, 准教授 (50335395) ; NORIMATSU Takayoshi 大阪大学, レーザーエネルギー学研究センター, 教授 (50135753) ; NAKAI Mitsuo 大阪大学, レーザーエネルギー学研究センター, 准教授 (70201663) ; NAGAI Keiji 大阪大学, レーザーエネルギー学研究センター, 助教 (30280803) ; MITO Toshiyuki 核融合科学研究所, 大型ヘリカル研究部, 教授 (10166069) ; IWAMOTO Akifumi 核融合科学研究所, 大型ヘリカル研究部, 助教 (00260050) ; MIMA Kunioki 大阪大学, レーザーエネルギー学研究センター, 教授 (30033921) ; NAGATOMO Hideo 大阪大学, レーザーエネルギー学研究センター, 准教授 (10283813) ; KOGA Mayuko 大阪大学, レーザーエネルギー学研究センター, 助教 (40403969) ; IDA Katsumi 核融合科学研究所, 大型ヘリカル研究部, 教授 (00184599) ; ISOBE Mitsutaka 核融合科学研究所, 大型ヘリカル研究部, 助教 (00300731)
• Co-Investigator(Renkei-kenkyūsha): YONEDA Hitoki 電気通信大学, レーザー新世代研究センター, 教授 (00210790)
• Project Period (FY): 2004 – 2008
• Keywords: レーザー核融合 / 高速点火 / フェルミ縮退 / 荷電粒子阻止能 / 二次核融合反応

Research Abstract

プラズマ診断技術およびターゲット技術の開発・改良と理論シミュレーションによる解析・設計に基づき、爆縮用の激光XII号レーザーと加熱用のPW/LFEXレーザーを用いて爆縮加熱統合実験を行い、縮退状態にある高密度燃料プラズマの核反応計測に成功し、加熱過程における高密度燃料プラズマ特性の計測・解析を行った。

Research Products

• [Journal Article] Observation of Asymmetrically Imploded Core Plasmas with a Two-Dimensional Sampling Image X-Ray Streak Camera (2008)
  • Author(s): Hiroyuki Shiraga, Myongdok Lee, Norimitsu Mahigashi, Shinsuke Fujioka, and Hiroshi Azechi
  • Journal Title: Rev. Sci. Instrum Vol.79 Pages: 10E920
  • Peer Reviewed
• [Journal Article] Study on a fuel layering sequence of the foam target for the FIREX project (2008)
  • Author(s): A. Iwamoto, T. Fujimura, M. Nakai, K. Nagai, T. Norimatsu, R. Maekawa, T. Mito, H. Sakagami, O. Motojima, H. Azechi and K. Mima
  • Journal Title: Journal of Physics vol.112 Pages: 032067
  • Peer Reviewed
• [Journal Article] Temperature Measurement of Preheated Planar-CryogenicTargets (2008)
  • Author(s): K. Otani, K. Shigemori, D. Ichinose, T. Sakaiya, A. Sunahara, Y. Sakawa, M. Nakai, H. Shiraga, H. Azechi and K. Mima
  • Journal Title: Journal of Physics vol. 112 Pages: 012012
  • Peer Reviewed
• [Journal Article] Target design for high-density non-spherical implosion in fast ignition (2008)
  • Author(s): H. Nagatomo, T. Johzaki, A. Sunahara, T. Nakamura, H. Sakagami, K. Mima
  • Journal Title: Journal of Physics vol. 112 Pages: 022053
  • Peer Reviewed
• [Journal Article] Simulation Studies for Core Heating Properties in FIREX-I (2008)
  • Author(s): T. Johzaki H. Nagatomo, T. Nakamura, H. Sakagami, A. Sunahara, K. Mima, Y. Nakao
  • Journal Title: Journal of Physics vol. 112 Pages: 022054
  • Peer Reviewed
• [Journal Article] Development of TOF Neutron Spectrometer for the measurement of degenerated plasma in Fast Ignition experiment (2008)
  • Author(s): H. Hosoda, M. Nakai, H. Furukawa, T. Watari, H. Azechi, N. Izumi, Y. Arikawa, Y. Sakawa, S. Dono, T. Fujiwara and K. Mima
  • Journal Title: Journal of Physics vol. 112 Pages: 032068
  • Peer Reviewed
• [Journal Article] Fast response neutron scintillation detector for FIREX (2008)
  • Author(s): Y. Arikawa, M. Nakai, T. Watari, H. Hosoda, K. Takeda, T. Fujiwara, Y. Furukawa, T. Norimatsu, H. Shiraga, N. Sarukura, H. Azechi
  • Journal Title: Journal of Physics vol. 112 Pages: 032082
  • Peer Reviewed
• [Journal Article] Rayleigh-Taylor instability growth on low-density foam targets (2008)
  • Author(s): T. Watari, M. Nakai, H. Azechi, T. Sakaiya, H. Shiraga, K. Shigemori, S. Fujioka, K. Otani, K. Nagai A. Sunahara, H. Nagatomo, and K. Mima
  • Journal Title: Phys. Plasmas 15 Pages: 092109-1-6
  • Peer Reviewed
• [Journal Article] Comprehensive Diagnosis of Growth Rates of the Ablative Rayleigh-Taylor Instability (2007)
  • Author(s): H. Azechi, T. Sakaiya, S. Fujioka,Y. Tamari, K. Otani, K. Shigemori, M. Nakai, H. Shiraga, N. Miyanaga, and K. Mima
  • Journal Title: Phys. Rev. Lett. Vol. 98 Pages: 045002-1-4
  • Peer Reviewed
• [Journal Article] Reduction of the Rayleigh-Taylor instability growth with cocktail color irradiation (2007)
  • Author(s): K. Otani, K. Shigemori, T. Sakaiya, S. Fujioka, A. Sunahara, M. Nakai, H. Shiraga, H. Azechi, and K. Mima
  • Journal Title: Phys. Plasmas 14 Pages: 122702-122708
  • Peer Reviewed
• [Journal Article] Ultrafast x-ray imaging with sliced sampling streak cameras (2006)
  • Author(s): T. X. Huang, M. Nakai, H. Shiraga, and H. Azechi, Y. K. Ding, and Z. J. Zheng
  • Journal Title: Rev. Sci. Instrum. Vol. 77 Pages: 026105
  • Peer Reviewed
• [Journal Article] Foam materials for cryogenic targets of fast ignition realization experiment (FIREX) (2005)
  • Author(s): Keiji Nagai, H. Azechi, F. Ito, A. Iwamoto, Y. Izawa, T. Johzaki, R. Kodama, K. Mima, T. Mito, M. Nakai, N. Nemoto, T. Norimatsu, Y. Ono, K. Shigemori, H. Shiraga and K. A. Tanaka
  • Journal Title: Nucl. Fusion Vol. 45 Pages: 1277-1283
  • Peer Reviewed
• [Journal Article] Multi-imaging x-ray streak camera for ultrahigh-speed two-dimensional x-ray imaging of imploded core plasmas (2004)
  • Author(s): H. Shiraga, S. Fujioka, P. A. Jaanimagi, C. Stoeckl, R. B. Stephens, H. Nagatomo, K. A. Tanaka, R. Kodama, and H. Azechi
  • Journal Title: Rev. Sci. Instrum. Vol. 75 Pages: 3921-3925
  • Peer Reviewed
• [Journal Article] Development of background reduced Fresnel phase zone plate (2004)
  • Author(s): Yohei Tamari and Hiroshi Azechi
  • Journal Title: Rev. Sci. Instrum. Vol. 75 Pages: 4023-4025
  • Peer Reviewed
• [Journal Article] Temporal resolved x-ray penumbral imaging technique using heuristic image reconstruction procedure and wide dynamic range x-ray streak camera (2004)
  • Author(s): Shinsuke Fujioka, Hiroyuki Shiraga, Hiroshi Azechi, Hiroaki Nishimura Yasukazu Izawa, Shinya Nozaki, and Yen-wei Chen
  • Journal Title: Review of Scientific Instruments Vol. 75 Pages: 4010-4012
  • Peer Reviewed
• [Journal Article] Suppression of Rayleigh-Taylor instability due to radiative ablation in brominated plastic target (2004)
  • Author(s): S. Fujioka, A. Sunahara, N. Ohnishi, Y. Tamari, K. Nishihara, H. Azechi, H. Shiraga, M. Nakai, K. Shigemori, T. Sakaiya, M. Tanaka, K. Ohtani, K. Okuno, T. Watari, T. Yamada, K. Murakami, K. Nagai, T. Norimatsu, Y. Izawa, S. Nozaki, Y. Chen
  • Journal Title: Physics of Plasmas Vol. 11 Pages: 2814-2822
  • Peer Reviewed
• [Journal Article] Suppression of the Rayleigh-Taylor Instability Due to Self-Radiation in a Multi-Ablation Target (2004)
  • Author(s): S. Fujioka, A. Sunahara, K. Nishihara, N. Ohnishi, T. Johzaki, H. Shiraga, K. Shigemori, M. Nakai, T. Ikegawa, K. Murakami, K. Nagai, T. Norimatsu, H. Azechi, and T. Yamanaka
  • Journal Title: Physical Review Letters Vol. 92 Pages: 195001-1-4
  • Peer Reviewed
• [Journal Article] Target Fabrication of Aerogel Capsule, Bromine-Doped Capsule, and Modified Gold Cone for Fast Ignition Realization Experiment (FIREX) Project
  • Author(s): Keiji Nagai, Han Yang, Takayoshi Norimatsu, Hiroshi Azechi, Fadila Belkada, Yasushi Fujimoto, Takeshi Fujimura, Kana Fujioka, Shinsuke Fujioka, Hirofumi Homma, Fuyumi Ito, Akifumi Iwamoto, Takahisa Jitsuno, Yumi Kaneyasu, Mitsuo Nakai, Nobukatsu Nemoto, Hiroshi Saika, Yumiko Suzuki, Kentaro Yamanaka, Kunioki Mima
  • Journal Title: Nuclear Fusion in press
  • Peer Reviewed
• [Journal Article] One-dimensional and multichannels multi-imaging x-ray streak camera for imploded core plasma of shell-cone target
  • Author(s): Jiayong Zhong, Hiroyuki Shiraga, and Hiroshi Azechi
  • Journal Title: Rev. Sci. Instrum. Vol.79 Pages: 10E920
  • Peer Reviewed
• [Presentation] Fast Ignition Realization Experiment (Invited) (2008)
  • Author(s): H. Azechi
  • Organizer: AAAS Annual Meeting
  • Place of Presentation: Boston, USA
  • Year and Date: 20080214-18
• [Presentation] Implosion and Heating Experiments of Fast Ignition Targets for FIREX-1 Project (Invited) (2008)
  • Author(s): H. Shiraga, J. Zhong, M. Koga, H. Nishimura, S. Fujioka, M. Tanabe, H. Azechi, T. Watari, H. Hosoda, K. Takeda, K. Otani, M. Nakai, K. Nagai, T.Norimatsu, N. Miyanaga, H. Nagatomo, T. Johzaki, and K. Mima, A. Iwamoto, T. Mito, M. Isobe, and T. Ozaki,
  • Organizer: 22nd IAEA Fusion Energy Conference
  • Place of Presentation: Geneva, Switzerland
  • Year and Date: 2008-10-16
• [Presentation] Plasma Physics Study and Laser Development for the Fast Ignition Realization Experiment (FIREX) Project (Overview) (2008)
  • Author(s): H. Azechi
  • Organizer: 22nd IAEA Fusion Energy Conference
  • Place of Presentation: Geneva, Switzerland.
  • Year and Date: 2008-10-14
• [Presentation] Low density aerogel capsule for FIREX(Fast Ignition Realization EXperiments) project control of nanostructure (2008)
  • Author(s): Keiji NAGAI, Takayoshi NORIMATSU, Mitsuo NAKAI, Hang YANG, Kentaro YAMANAKA, Takeshi FUJIMURA, Liqin GE, Nobukatsu NEMOTO, Tomonori SHIMOYAMA, Akifumi IWAMOTO, Toshiyuki MITO, Hiroyuki SHIRAGA, Hiroshi AZECHI, Kunioki MIMA
  • Organizer: 15th Target Fabrication Specialists Meeting
  • Place of Presentation: Lake Tahoe, Calfornia, USA.
  • Year and Date: 2008-05-13
• [Presentation] FIREX Project-Its Goal and Current Status (2007)
  • Author(s): H. Azechi
  • Organizer: IFE Science and Technology Strategic Planning Workshop (Invited)
  • Place of Presentation: San Ramon, USA
  • Year and Date: 20070424-27
• [Presentation] The FIREX Program on the Way to Inertial Fusion Energy (Plenary) (2007)
  • Author(s): H. Azechi
  • Organizer: 5^<th> International Conference on Inertial Fusion Science and Applications
  • Place of Presentation: Kobe, Japan
  • Year and Date: 2007-09-10
• [Presentation] Implosion and heating experiment of shell target with cone for Fast Ignition at ILE, Osaka (Invited) (2007)
  • Author(s): SHIRAGA Hiroyuki, NAKAI Mitsuo, AZECHI Hiroshi, SHIGEMORI Keisuke, SAKAIYA Tatsuhiro, JHONG Jiayong, OHTANI Kazuto, WATARI Takeshi, LEE Myongdok, TAKEDA Kazuo, SAITO Hiroshi, HOSODA Hirokazu, ARIKAWA Yasunobu, TANABE Minoru, INUBUSHI Yuichi, FJIOKA Shinsuke, NISHIMURA Hiroaki, SAKAWA Yoichi, KOGA Mayuko, ISOBE Mitsuyaka, NAGATOMO Hideo, SUNAHARA Atsushi, JOHZAKI Tomoyuki, NAKAMURA Tatsufumi, NAGAI Keiji, NORIMATSU Takayoshi, IWAMOTO Akifumi, MITO Toshiyuki, FUJITA Hisanori, SARUKURA Nobuhiko, and MIMA Kunioki
  • Organizer: 5^<th> International Conference on Inertial Fusion Science and Applications
  • Place of Presentation: Kobe, Japan
  • Year and Date: 2007-09-10
• [Presentation] 磁場核融合における燃焼プラズマ計測-レーザー核融合に期待するもの (2007)
  • Author(s): 笹尾真実子
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] レーザー核融合における燃焼プラズマの特徴 (2007)
  • Author(s): 疇地宏
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] 高速点火実証計画FIREXに向けた計測器開発 (2007)
  • Author(s): 西村博明
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] Development for the National Ignition Facility (2007)
  • Author(s): 泉信彦
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] 核反応計測の新展開 (2007)
  • Author(s): 兒玉了祐
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] 縮退プラズマの計測 (2007)
  • Author(s): 米田仁紀
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] FIREXクライオ重水素ターゲットの開発 (2007)
  • Author(s): 岩本晃史
  • Organizer: 日本物理学会2007年春季大会 領域2シンポジウム「レーザー核融合における燃焼診断法の開発」
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-19
• [Presentation] Compression and Fast Heating of Liquid Deuterium Targets in FIREX Program (Oral) (2006)
  • Author(s): H. Azechi
  • Organizer: 21th IAEA Fusion Energy Conference
  • Place of Presentation: 成都, 中国
  • Year and Date: 20061016-21
• [Presentation] Present Status of FIREX Program for Demonstration of Ignition and Burn (Plenary) (2006)
  • Author(s): H. Azechi
  • Organizer: 33rd European Physical Society Conference on Plasma Physics
  • Place of Presentation: Rome, Italy.
  • Year and Date: 20060619-23