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RIKEN SPring-8 Center Innovative Light Sources Division

Division Director: Shunji Goto (D.Eng.)

Research Summary

Shunji  Goto(D.Eng.)

The Innovative Light Sources Division focuses on technical developments for the best SPring-8 synchrotron radiation (SR) sources and schemes for new light sources of the next generation SR.

Research Subjects

  • Exploration of novel light source concepts in SR and XFEL
  • Development of fundamental technologies toward advance insertion devices

Selected Publications

  • 1.S. Yamamoto, Y. Senba, T. Tanaka, H. Ohashi, T. Hirono, H. Kimura et al.:
    "New soft X-ray beamline BL07LSU at SPring-8"
    J. Synchrotron Rad., 21 (2014) 352
  • 2.T. Hara, Y. Inubushi, T. Katayama, T. Sato, H. Tanaka, T. Tanaka et al.:
    "Two-colour hard X-ray free-electron laser with wide tunability"
    Nature Comm., 4 (2013) 2919
  • 3.K. Tamasaku, M. Nagasono, H. Iwayama, E. Shigemasa, Y. Inubushi, T. Tanaka et al.:
    "Double Core-Hole Creation by Sequential Attosecond Photoionization"
    Phys. Rev. Lett., 111 (2013) 043001
  • 4.T. Tanaka:
    "Proposal for a Pulse-Compression Scheme in X-Ray Free-Electron Lasers to Generate a Multiterawatt, Attosecond X-Ray Pulse"
    Phys. Rev. Lett., 110 (2013) 084801
  • 5.H. Yumoto, H. Mimura, T. Koyama, S. Matsuyama, K. Tono, et al.:
    "Focusing of X-ray free electron laser pulses with reflective optics"
    Nature Photon., 7 (2013) 43
  • 6.T. Tanaka, S. Goto, T. Hara, T. Hatsui, H. Ohashi, et el.:
    "Undulator commissioning by characterization of radiation in x-ray free electron lasers"
    Phys. Rev. ST-AB, 15 (2012) 110701
  • 7.Y. Inubushi, K. Tono, T. Togashi, T. Sato, T. Hatsui, et al.:
    "Determination of the Pulse Duration of an X-Ray Free Electron Laser Using Highly Resolved Single-Shot Spectra"
    Phys. Rev. Lett., 109 (2012) 144801
  • 8.T. Ishikawa, H. Aoyagi, T. Asaka, Y. Asano, N. Azumi, et al.:
    "A compact X-ray free-electron laser emitting in the sub-angstrom region"
    Nature Photon., 6 (2012) 540
  • 9.T. Tanaka and H. Kitamura:
    "A new undulator scheme providing various polarization states with low on-axis power density"
    Nucl. Instrum. Meth., A659 (2011) 537
  • 10.T. Tanaka and H. Kitamura:
    "Composite period undulator to improve the wavelength tunability of free electron lasers"
    Phys. Rev. ST-AB, 14 (2011) 050701

Lab Members

Principal investigator

Shunji Goto
Division Director

Contact Information

1-1-1 Kouto, Sayo-cho
Sayo-gun, Hyogo
679-5148 Japan

Organization

Advanced X-Ray Laser Group
Takashi Tanaka (D.Eng.)
Control System and Information Technology Group
Shunji Goto (D.Eng.)
Advanced Detector Development Team
Takaki Hatsui (D.Sci.)

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