研究概要

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).

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