Takashi Tanaka

J-GLOBAL         Last updated: Nov 22, 2018 at 15:58
Takashi Tanaka
Advanced X-ray Laser Group
Job title
Group Director
Ph. D (Engineering)(Kyoto Univ.)

Research Areas


Academic & Professional Experience

Apr 2013
Group Director, Advanced X-ray Laser Group, RIKEN
Apr 2012
Team Leader, RIKEN
Apr 2006
Mar 2012
Senior Research Scientist, RIKEN
Apr 1999
Mar 2006
Research Scientist, RIKEN
Sep 1996
Mar 1999
Research Scientist, Japan Synchrotron Radiation Research Institute


Apr 1994
Sep 1996
Nuclear Engineering, Engineering, Kyoto University
Apr 1992
Mar 1994
Nuclear Engineering, Engineering, Kyoto University
Apr 1988
Mar 1992
Nuclear Engineering, Engineering, Kyoto University

Awards & Honors

Aug 2012
Award for Technical Contributions, Particle Accelerator Society of Japan
Jan 1997
Incentive Award, The Japanese Society for Synchrotron Radiation Research

Published Papers

Bizen Teruhiko, Kinjo Ryota, Tanaka Takashi
PHYSICAL REVIEW LETTERS   121(12) 124801   Sep 2018   [Refereed]
Tanaka Takashi
Optics letters   43(18) 4485-4488   Sep 2018   [Refereed]
Takashi Tanaka
Journal of Electromagnetic Waves and Applications   32 371-401   Jan 2018
© 2017 Informa UK Limited, trading as Taylor & Francis Group. The free electron laser (FEL) is a new type of coherent light source, which is based on amplification of radiation by a high-energy electron beam generated in an electron accelerator....
Owada Shigeki, Togawa Kazuaki, Inagaki Takahiro, Hara Toru, Tanaka Takashi, Joti Yasumasa, Koyama Takahisa, Nakajima Kyo, Ohashi Haruhiko, Senba Yasunori, Togashi Tadashi, Tono Kensuke, Yamaga Mitsuhiro, Yumoto Hirokatsu, Yabashi Makina, Tanaka Hitoshi, Ishikawa Tetsuya
JOURNAL OF SYNCHROTRON RADIATION   25(Pt 1) 282-288   Jan 2018   [Refereed]
Tanaka Takashi
JOURNAL OF OPTICS   19(9) 1-34   Sep 2017   [Refereed]
Tanaka Takashi, Kinjo Ryota
Kinjo Ryota, Kagamihata Akihiro, Seike Takamitsu, Kishimoto Hikaru, Ohashi Haruhiko, Yamamoto Shigeru, Tanaka Takashi
REVIEW OF SCIENTIFIC INSTRUMENTS   88(7) 073302   Jul 2017   [Refereed]
Tanaka Takashi
OPTICS LETTERS   42(8) 1576-1579   Apr 2017   [Refereed]
Bizen Teruhiko, Kinjo Ryota, Hasegawa Teruaki, Kagamihata Akihiro, Kida Yuichiro, Seike Takamitsu, Watanabe Takahiro, Hara Toru, Itoga Toshiro, Asano Yoshihiro, Tanaka Takashi
SCIENTIFIC REPORTS   6 37937   Nov 2016   [Refereed]
Tanaka T, Parc YW, Kida Y, Kinjo R, Shim CH, Ko IS, Kim B, Kim DE, Prat E
Journal of synchrotron radiation   23(Pt 6) 1273-1281   Nov 2016   [Refereed]
Yuichiro Kida, Ryota Kinjo, Takashi Tanaka
Applied Physics Letters   109    Oct 2016
© 2016 Author(s). An approach is proposed to generate a quasi-isolated sub-cycle pulse in X-ray free-electron lasers. Its principle is based on the recently proposed concept of mono-cycle harmonic generation [T. Tanaka, Phys. Rev. Lett. 114, 04480...
Kinjo Ryota, Tanaka Takashi
JOURNAL OF SYNCHROTRON RADIATION   23(Pt 3) 751-757   May 2016   [Refereed]
Tanaka Takashi
APPLIED PHYSICS LETTERS   108(6)    Feb 2016   [Refereed]
Inoue I, Inubushi Y, Sato T, Tono K, Katayama T, Kameshima T, Ogawa K, Togashi T, Owada S, Amemiya Y, Tanaka T, Hara T, Yabashi M
Proceedings of the National Academy of Sciences of the United States of America   113(6) 1492-1497   Feb 2016   [Refereed]
Deri Yi, Kawaguchi Hideki, Tsuchimoto Masanori, Tanaka Takashi
Tanaka Takashi
JOURNAL OF SYNCHROTRON RADIATION   22(5) 1319-1326   Sep 2015   [Refereed]
Tanaka Takashi
PHYSICAL REVIEW LETTERS   114(4) 044801   Jan 2015   [Refereed]
Ryota Kinjo, Teruhiko Bizen, Takashi Tanaka, Takashi Tanaka
Synchrotron Radiation News   28 45-49   Jan 2015
© , Copyright Taylor & Francis. After the construction of the X-ray free electron laser facility SACLA, which achieved first lasing in 2011 [1] and has been successfully operated for nearly four years, SPring-8 has now turned to upgrading its st...
Kinjo Ryota, Tanaka Takashi
Tanaka Takashi


T. Tanaka, T. Seike, A. Kagamihata, H. Kitamura, T. Schmidt, A. Anghel, M. Brügger, W. Bulgheroni, B. Jakob
IPAC 2010 - 1st International Particle Accelerator Conference   3147-3149   Dec 2010
The cryogenic permanent magnet undulator (CPMU) is an insertion device in which permanent magnets are cooled down to cryogenic temperature (CT) to improve the magnetic performances. Toward realizataion of CPMUs, it is important to establish a tech...
Takashi Tanaka, Hideo Kitamura
AIP Conference Proceedings   705 41-44   May 2004
© 2004 American Institute of Physics. The source size and angular divergence are very important properties which are necessary to design optical elements in the beamline. We report on the source distribution of wiggler radiation (WR), which is not...
Takashi Tanaka, Hideo Kitamura
AIP Conference Proceedings   705 231-234   May 2004
© 2004 American Institute of Physics. A simple scheme to realize fast switching of helicity is described. It is based on a modification of the crossed undulator configuration, but can achieve much higher degree of circular polarization. The princi...
T. Tanaka, K. Shirasawa, T. Seike, H. Kitamura
AIP Conference Proceedings   705 227-230   May 2004
© 2004 American Institute of Physics. A short period undulator for the x-ray free electron laser project at SPring-8 has been developed. It has several important features different from other SPring-8 undulators: more compact mechanical frame, 4-b...
T. Tanaka, H. Kitamura
AIP Conference Proceedings   879 355-358   Mar 2007
SPECTRA is a computer software to calculate optical properties of synchrotron radiation (SR) emitted by electrons passing through magnetic devices such as bending magnets, wigglers and undulators. It has been used to design various devices in the ...
田中 隆次
レーザー研究   40(9) 658-665   Sep 2012
TANAKA Takashi
レーザー研究   40(9) 658-665   Sep 2012
Tanaka Takashi
Meeting Abstracts of the Physical Society of Japan   69(0)    2014
Tanaka Takashi
Meeting Abstracts of the Physical Society of Japan   69(0)    2014
宮本修治, 橋本智, 木下博雄, 田中隆次, 矢橋牧名, 石川哲也
日本加速器学会年会(Web)   13th ROMBUNNO.TUP071 (WEB ONLY)   2016
長谷川照晃, 鏡畑暁裕, 清家隆光, 備前輝彦, 久間正之, 金城良太, 貴田祐一郎, 田中隆次
日本加速器学会年会(Web)   13th ROMBUNNO.MOP073 (WEB ONLY)   2016
稲垣隆宏, 渡川和晃, 原徹, 大和田成起, 安積隆夫, 安積則義, 大島隆, 大竹雄次, 木村洋昭, 金城良太, 近藤力, 櫻井辰幸, 田尻泰之, 田中信一郎, 田中隆次, 富樫格, 登野健介, 長谷川照晃, 備前輝彦, 細田直康, 前坂比呂和, 松井佐久夫, 松原伸一, 矢橋牧名, 田中均, 石川哲也
日本加速器学会年会(Web)   13th ROMBUNNO.WEOM14 (WEB ONLY)   2016
パリティ   31(1) 9‐11   Jan 2016
金城良太, 田中隆次
日本放射光学会年会・放射光科学合同シンポジウム予稿集   29th 51   Jan 2016
大和田成起, 富樫格, 中嶋享, 登野健介, 城地保昌, 稲垣隆宏, 原徹, 田中隆次, 渡川和晃, 山鹿光裕, 仙波泰徳, 湯本博勝, 小山貴久, 大橋治彦, 田中均, 矢橋牧名, 矢橋牧名
日本放射光学会年会・放射光科学合同シンポジウム予稿集   29th 61   Jan 2016
井上伊知郎, 井上伊知郎, 犬伏雄一, 犬伏雄一, 佐藤堯洋, 登野健介, 登野健介, 片山哲夫, 片山哲夫, 小川奏, 亀島敬, 亀島敬, 冨樫格, 冨樫格, 大和田成起, 雨宮慶幸, 田中隆次, 原徹, 矢橋牧名, 矢橋牧名
日本放射光学会年会・放射光科学合同シンポジウム予稿集   29th 98   Jan 2016
渡川和晃, 安積隆夫, 原徹, 長谷川照晃, 細田直康, 稲垣隆宏, 金城良太, 近藤力, 前坂比呂和, 松井佐久夫, 大島隆, 大竹雄次, 大和田成起, 田中隆次, 矢橋牧名, 田中均, 石川哲也, 安積則義, 備前輝彦, 木村洋昭, 松原伸一, 中嶋享, 櫻井辰幸, 富樫格, 登野健介, 田尻泰之, 田中信一郎
日本加速器学会年会(Web)   14th ROMBUNNO.TUOLP01 (WEB ONLY)   2017
金城良太, 備前輝彦, 貴田祐一郎, 清家隆光, 長谷川照晃, 鏡畑暁裕, 久間正之, 岸本輝, 大橋治彦, 山本樹, 田中隆次
日本加速器学会年会(Web)   14th ROMBUNNO.THOL13 (WEB ONLY)   2017
長谷川照晃, 清家隆光, 久間正之, 備前輝彦, 鏡畑暁裕, 金城良太, 貴田祐一郎, 田中隆次
日本加速器学会年会(Web)   14th ROMBUNNO.WEP018 (WEB ONLY)   2017
Takashi Tanaka
Proceedings of SPIE - The International Society for Optical Engineering   10388    Jan 2017
© 2017 SPIE. SPECTRA is a computer program to numerically characterize synchrotron radiation (SR) emitted from an electron beam passing through various SR sources, i.e., undulators, wigglers and bending magnets. Computations of SR with an arbitrar...

Conference Activities & Talks

Source Modeling for Wavefront Propagation [Invited]
Takashi Tanaka
6th Diffraction Limited Storage Ring Workshop   Oct 2018   
Undulator Development for SPring-8-II and Related Issues [Invited]
Takashi Tanaka
Workshop on Photons at the Next Generation Synchrotron Radiation Facilities: from Production to Delivery   Dec 2017   
Attosecond FEL pulses: physical and technical challenges [Invited]
Takashi Tanaka
Int. ICFA mini Workshop on Nonlinear Dynamics and Collective Effects in Particle Beam Physics   Sep 2017   
Recent Progress of the Synchrotron Radiation Calculation Code SPECTRA [Invited]
Takashi Tanaka
Advances in Computational Methods for X-Ray Optics   Aug 2017   
Experiences on Narrow-Gap Undulator Operation at SACLA [Invited]
Takashi Tanaka
ID2017 Undulator Workshop for Multibend Achromat Rings and Free Electron Lasers   May 2017   
Unexpectedly Large Flux Loss of Permanent Magnets Caused by a Radiation-Induced Magnetization Reversal
Takashi Tanaka
8th Int. Particle Accelerator Conf.   May 2017   
Review of High-Average-Power EUV Sources Based on FELs and Storage Rings [Invited]
Takashi Tanaka
International Workshop on Compact EUV & X-ray Light Sources   Oct 2016   
Monocycle Harmonic Generation in FELs [Invited]
Takashi Tanaka
Designing Future X-ray FELs Workshop   Sep 2016   
Isolated Monocycle Pulse Generation in Free Electron Lasers [Invited]
Takashi Tanaka
Workshop on the generation of single-cycle pulses with Free-Electron Lasers   May 2016   
Commissioning of XFEL Self Seeding at SACLA [Invited]
Takashi Tanaka
Japanese-French Symposium on Advanced Compact Free-Electron Lasers   Nov 2014   
Challenges toward attosecond and zeptosecond XFELs [Invited]
Takashi Tanaka
27th Linear Accelerator Conference   Sep 2014   
Proposal of High-Power and Short-Pulse Extraction [Invited]
Takashi Tanaka
Workshop on Advance X-ray FEL Development   May 2014   
New scheme to generate a multi-terawatt and attosecond laser pulse in X-ray free electron lasers
Takashi Tanaka
From Fundamental Physics to Societal Applications   Oct 2013   
New Scheme to Generate a Multi-Terawatt & Attosecond X-ray Pulse in XFELs
Takashi Tanaka
35th Int. Free Electron Laser Conf.   Aug 2013   
X-ray Based Undulator Commissioning in SACLA
Takashi Tanaka
34th Int. Free Electron Laser Conf.   Aug 2012   
ndulator Development for the SPring-8 Storage Ring and XFEL
Takashi Tanaka
IDMAX2010: Insertion Devices for Rings and Linacs   Nov 2010   
In-situ Magnetic Correction for Cryogenic Undulators
Takashi Tanaka
1st Int. Particle Accelerator Conf.   May 2010   
Status of Cryogenic Permanent Magnet Undulator Development
Takashi Tanaka
23rd Particle Accelerator Conf.   May 2009   
SASE Saturation at the SCSS Test Accelerator Ranging from 50 nm to 60 nm
Takashi Tanaka
30th Int. Free Electron Laser Conf   Aug 2008   
In-situ undulator field measurement with the SAFALI system
Takashi Tanaka
29th Int. Free Electron Laser Conf.   Aug 2007   

Research Grants & Projects

Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (A)
Project Year: Apr 2018 - Mar 2022    Investigator(s): Takashi Tanaka