放射光科学研究センター 先端光源加速器研究開発グループ
グループディレクター 田中 均(D.Eng.)
研究概要

先端光源加速器研究開発グループは、SACLAの短中期の性能高度化、数kHzに届く省エネルギー方式の高繰り返し化(SACLA-II)に向けた研究開発を行います。同時に、SPring-8の輝度を2桁近く引き上げるSPring-8-II計画に必要な電子ビーム動力学の最適化手法、要素システム開発を実施するとともに、100pmradを大幅に下回る電子ビームによるリング型FEL実現に必要なビームハンドリング手法や要素技術開発にも取り組んでいきます。
研究主分野
- 総合理工
研究関連分野
- 数物系科学
- 工学
- 応用物理学
- 量子ビーム科学
- 計算科学
キーワード
- 加速器
- ビーム物理
- 放射光
- X線自由電子レーザー
- SPring-8
主要論文
- 1.
Toru Hara, Tsuyoshi Aoki, Hideki Dewa, Takahiro Fujita, Kenji Fukami, Toru Fukui, Toshihiko Hiraiwa, Naoyasu Hosoda, Takahiro Inagaki, Toshiro Itoga, Eito Iwai, Akio Kiyomichi, Chikara Kondo, Hirokazu Maesaka, Mitsuhiro Masaki, Shinichi Matsubara, Osamu Morimoto, Takashi Ohshima, Masaya Oishi, Masazumi Shoji, Kouichi Soutome, Yasuyuki Tajiri, Shiro Takano, Kazuhiro Tamura, Yukiko Taniuchi, Kazuaki Togawa, Takahiro Watanabe, Toshinori Yabuuchi, and Hitoshi Tanaka.:
"Low-emittance beam injection for a synchrotron radiation source using an X-ray free-electron laser linear accelerator",
Physical Review Accelerators and Beams 24, 110702 (2021). - 2.
Ichiro Inoue, Taito Osaka, Toru Hara, Takashi Tanaka, Takahiro Inagaki, Toru Fukui, Shunji Goto, Yuichi Inubushi, Hiroaki Kimura, Ryota Kinjo, Haruhiko Ohashi, Kazuaki Togawa, Kensuke Tono, Mitsuhiro Yamaga, Hitoshi Tanaka, Tetsuya Ishikawa & Makina Yabashi.:
"Generation of narrow-band X-ray free-electron laser via reflection self-seeding",
Nature Photonics 13, 319-322 (2019). - 3.
Chikara Kondo*, Toru Hara, Toru Fukui, Takahiro Inagaki, Hideki Takebe, Shingo Nakazawa, Kenji Fukami, Yusuke Kawaguchi, Hideaki Kawaguchi, Yuji Otake, and Hitoshi Tanaka.:
"A stable pulsed power supply for multi-beamline XFEL operations"
Review of Science Instruments 89, 064704 (2018). - 4.
Hirokazu Maesaka, Toru Hara, Kazuaki Togawa, Takahiro Inagaki, and Hitoshi Tanaka.:
"Brightness analysis of an electron beam with a complex profile"
Physical Review Accelerators and Beams 21, 050703 (2018). - 5.
Toru Hara, Chikara Kondo, Takahiro Inagaki, Kazuaki Togawa, Kenji Fukami, Shingo Nakazawa, Taichi Hasegawa, Osamu Morimot, Masamichi Yoshioka, Hirokazu Maesaka, Yuji Otake, and Hitoshi Tanaka.:
"High peak current operation of x-ray free-electron laser multiple beam lines by suppressing coherent synchrotron radiation effect"
Physical Review Accelerators and Beams 21, 040701 (2018). - 6.
Asaka T., Ego H., Hanaki H., Hara T., Hasegawa T., Hasegawa T., Inagaki T., Kobayashi T., Kondo C., Maesaka H., Matsubara S., Matsui S., Ohshima T., Otake Y., Sakurai T., Suzuki S., Tajiri Y., Tanaka S., Togawa K., and Tanaka H.:
"Low-emittance thermionic-gun-based injector for a compact free-electron laser"
Physical Review. Accelerators and Beams 20, 080702 (2017). - 7.
Hara T., Fukami K., Inagaki T., Kawaguchi H., Kinjo R., Kondo C., Otake Y., Tajiri Y., Takebe H., Togawa K., Yoshino T., Tanaka H., and Ishikawa T.:
"Pulse-by-pulse multi-beam-line operation for x-ray free-electron lasers"
Physical Review Accelerators and Beams 19, 020703 (2016). - 8.
Tomizawa H., Sato T., Ogawa K., Togawa K., Tanaka T., Hara T., Yabashi M., Tanaka H., Ishikawa T., Togashi T., Matsubara S., Okayasu Y., Watanabe T., Takahashi E.J., Midorikawa K., Aoyama M., Yamakawa K., Owada S., Iwasaki A., and Yamanouchi K.:
"Stabilization of a high-order harmonic generation seeded extreme ultraviolet free electron laser by time-synchronization control with electro-optic sampling"
High Power Laser Science and Engineering Vol. 3, e14, 10 pages (2015). - 9.
Hara T., Inubushi Y., Katayama T., Sato T., Tanaka H., Tanaka T., Togashi T., Togawa K., Tono K., Yabashi M., and Ishikawa T.:
"Two-Color Hard X-ray Free-Electron Laser with Wide Tunability"
Nature Communications 4, Article number: 2919 (2013). - 10.
Hara T., Tamasaku K., Asaka T., Inagaki T., Inubushi Y., Katayama T., Kondo C., Maesaka H., Matsubara S., Ohshima T., Otake Y., Sakurai T., Sato T., Tanaka H., Togashi T., Togawa K., Tono K., Yabashi M., and Ishikawa T.:
"Time-interleaved multi-energy acceleration for an XFEL facility"
Physical Review Special Topics Accelerators and Beams 16, 080701 (2013).
メンバーリスト
主宰者
- 田中 均
- グループディレクター
お問い合わせ先
〒679-5148 兵庫県佐用郡佐用町光都1-1-1
Email: tanaka [at] spring8.or.jp
※[at]は@に置き換えてください。