Research Summary

Selected Publications

• 1. Hara T. et al.:
  "Low-emittance beam injection for a synchrotron radiation source using an X-ray free-electron laser linear accelerator”
  Phys. Rev. Accel. Beams, vol. 24, 110702 (2021).
• 2. Inoue I., Osaka T., Hara T. and Yabashi M.:
  "Two-color X-ray free-electron laser consisting of broadband and narrowband beams”
  J. Synchrotron Rad. 27, 1720 (2020).
• 3. Hiraiwa T., Soutome K., and Tanaka H.:
  "Forced harmonic oscillator interpreted as diffraction of light",
  Phys. Rev. E. 102, 032211 (2020).
• 4. Inoue I. et al.:
  "Generation of narrow-band X-ray free-electron laser via reflection self-seeding”
  Nature Photon. 13, 319 (2019).
• 5. Kondo C. et al.:
  "A stable pulsed power supply for multi-beamline XFEL operations”
  Rev. Sci. Instrum. 89, 064704 (2018).
• 6. Hara T. et al:
  "High peak current operation of x-ray free-electron laser multiple beam lines by suppressing coherent synchrotron radiation effects”
  Phys. Rev. Accel. Beams 21, 040701 (2018).
• 7. Maesaka H., Hara T., Togawa K., Inagaki T. and Tanaka H.:
  "Brightness analysis of an electron beam with a complex profile”
  Phys. Rev. Accel. Beams 21, 050703 (2018).
• 8. Hara T. et al.:
  "Pulse-by-pulse multi-beam-line operation for x-ray free-electron lasers”
  Phys. Rev. Accel. Beams 19, 020703 (2016).
• 9. Hara T. et al.:
  "Two-colour hard X-ray free-electron laser with wide tunability”
  Nature Commun. 4, 2919 (2013).
• 10. Ishikawa T. et al.:
  "A compact X-ray free-electron laser emitting in the sub-angstrom region"
  Nature Photon. 6, 540 (2012).

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