RIKEN SPring-8 Center Innovative Light Sources Division
Division Director: Shunji Goto (D.Eng.)
Research Summary

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.)
- Diffraction Limited Synchrotron Radiation Design Group
- Hitoshi Tanaka (D.Eng.)
- Laser-Driven Electron-Acceleration Technology Group
- Takunori Taira (Ph.D.)
-
- Laser Acceleration Development Team
- Tomonao Hosokai (D.Sci.)
- Basic Laser Development Team
- Takunori Taira (Ph.D.)