Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Tatsuyuki Sakurai"'
Autor:
Takao Asaka, Hiroyasu Ego, Hirohumi Hanaki, Toru Hara, Taichi Hasegawa, Teruaki Hasegawa, Takahiro Inagaki, Toshiaki Kobayashi, Chikara Kondo, Hirokazu Maesaka, Shinichi Matsubara, Sakuo Matsui, Takashi Ohshima, Yuji Otake, Tatsuyuki Sakurai, Shinsuke Suzuki, Yasuyuki Tajiri, Shinichiro Tanaka, Kazuaki Togawa, Hitoshi Tanaka
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 8, p 080702 (2017)
A low-emittance thermionic-gun-based injector was developed for the x-ray free-electron laser (XFEL) facility known as the SPring-8 angstrom compact free-electron laser (SACLA). The thermionic-gun-based system has the advantages of maintainability, r
Externí odkaz:
https://doaj.org/article/6f8fd3a422154cfdb603fae5507afcb0
Autor:
Toru Hara, Kenji Tamasaku, Takao Asaka, Takahiro Inagaki, Yuichi Inubushi, Tetsuo Katayama, Chikara Kondo, Hirokazu Maesaka, Shinichi Matsubara, Takashi Ohshima, Yuji Otake, Tatsuyuki Sakurai, Takahiro Sato, Hitoshi Tanaka, Tadashi Togashi, Kazuaki Togawa, Kensuke Tono, Makina Yabashi, Tetsuya Ishikawa
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 16, Iss 8, p 080701 (2013)
To meet the demand from the growing number of user experiments, multi-beam-line operation with a wide spectral range is seriously considered in x-ray free-electron laser facilities. In a conventional design, the beam line of low photon energies branc
Externí odkaz:
https://doaj.org/article/58654b91d47647118df8f24f75771c74
Autor:
Tsumoru Shintake, Hitoshi Tanaka, Toru Hara, Takashi Tanaka, Kazuaki Togawa, Makina Yabashi, Yuji Otake, Yoshihiro Asano, Toru Fukui, Teruaki Hasegawa, Atsushi Higashiya, Naoyasu Hosoda, Takahiro Inagaki, Shinobu Inoue, Yujong Kim, Masanobu Kitamura, Noritaka Kumagai, Hirokazu Maesaka, Sakuo Matsui, Mitsuru Nagasono, Takashi Ohshima, Tatsuyuki Sakurai, Kenji Tamasaku, Yoshihito Tanaka, Takanori Tanikawa, Tadashi Togashi, Shukui Wu, Hideo Kitamura, Tetsuya Ishikawa, Takao Asaka, Teruhiko Bizen, Shunji Goto, Toko Hirono, Miho Ishii, Hiroaki Kimura, Toshiaki Kobayashi, Takemasa Masuda, Tomohiro Matsushita, Xavier Maréchal, Haruhiko Ohashi, Toru Ohata, Katsutoshi Shirasawa, Tetsuya Takagi, Sunao Takahashi, Masao Takeuchi, Ryotaro Tanaka, Akihiro Yamashita, Kenichi Yanagida, Chao Zhang
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 12, Iss 7, p 070701 (2009)
We achieved stable operation of a free-electron laser (FEL) based on the self-amplified spontaneous-emission (SASE) scheme at the SPring-8 Compact SASE Source (SCSS) test accelerator in the extremely ultraviolet region. Saturation of the SASE FEL pow
Externí odkaz:
https://doaj.org/article/7918b2dcdc384db99c8cba8cf0961d75
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 795:381-388
In the 8 GeV compact X-ray FEL “SACLA,” a single bunch of electrons is compressed to a duration of approximately 30 fs to yield a peak current of 3 kA, which creates brilliant self-amplified spontaneous emission. To measure the longitudinal profi
Autor:
Chikara Kondo, H. Ego, Shinichiro Tanaka, Takashi Ohshima, Hitoshi Tanaka, Shinichi Matsubara, Takao Asaka, Kazuaki Togawa, Hirokazu Maesaka, H. Hanaki, Teruaki Hasegawa, Toru Hara, Taichi Hasegawa, Takahiro Inagaki, T. Kobayashi, Yasuyuki Tajiri, Shinsuke Suzuki, Yuji Otake, Sakuo Matsui, Tatsuyuki Sakurai
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 8, p 080702 (2017)
A low-emittance thermionic-gun-based injector was developed for the x-ray free-electron laser (XFEL) facility known as the SPring-8 angstrom compact free-electron laser (SACLA). The thermionic-gun-based system has the advantages of maintainability, r
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 4, p 042003 (2017)
A high-acceleration-gradient linear accelerator (LINAC) for an x-ray free electron laser (XFEL) offers the advantages of a short accelerator length and low construction costs. In addition, the high pulse repetition rate of the LINAC, which can drive
Publikováno v:
Review of Scientific Instruments. 90:113311
A high-repetition linear accelerator with multibeamline operation for X-rays allows users to perform multiple simultaneous experiments with an X-ray free-electron laser (XFEL) at lower actual cost per user while maintaining the availability of the la
Autor:
Noritaka Kumagai, Shinichi Matsubara, Takao Asaka, Shinsuke Suzuki, Yukito Furukawa, Hiromitsu Tomizawa, Miho Ishii, Shukui Wu, Kei Sawada, Sunao Takahashi, Sakuo Matsui, Kenji Tamasaku, Kenji Fukami, Hitoshi Tanaka, Kunikazu Takeshita, T. Seike, Atsushi Tokuhisa, Noriyoshi Azumi, Hiroaki Kimura, Nobuteru Nariyama, Tetsuya Ishikawa, Takahiro Sato, Teruaki Hasegawa, Hideo Kitamura, Tsumoru Shintake, Shun Ono, Toru Ohata, Yoshihiro Asano, Akihiro Yamashita, Hirokazu Maesaka, Haruhiko Ohashi, Mitsuhiro Yamaga, T. Hirono, H. Ego, Takemasa Masuda, Yuji Otake, Naoyasu Hosoda, Makina Yabashi, Tatsuyuki Sakurai, Takaki Hatsui, Yoichi Kirihara, Mitsuru Nagasono, Takashi Kameshima, Atsushi Higashiya, Hideki Takebe, Chikara Kondo, Kazuaki Togawa, Yuichi Inubushi, Akio Kiyomichi, Choji Saji, Takashi Ohshima, Katsutoshi Shirasawa, Shunji Goto, Togo Kudo, Xavier Maréchal, Takahiro Matsumoto, Toshiro Itoga, Kenichi Yanagida, Yasumasa Joti, T. Bizen, Tadashi Togashi, Hirofumi Hanaki, Kensuke Tono, Toru Hara, Chao Zhang, Takahiro Inagaki, Ryotaro Tanaka, Toru Fukui, Hideki Aoyagi, Masahiro Kago, Tomohiro Matsushita, T. Kobayashi, Takashi Tanaka, Takashi Sugimoto
Publikováno v:
Nature Photonics. 6:540-544
Researchers report sub-angstrom fundamental-wavelength lasing at the SPring-8 Angstrom Compact Free-Electron Laser in Japan. The output has a maximum power of more than 10 GW, a pulse duration of 10−14 s and a lasing wavelength of 0.634 A.
Publikováno v:
Journal of Applied Physics. 96:1781-1784
A wave front dividing x-ray interferometer with a prism was applied to two-beam off-axis holography. Complex amplitudes at the detector plane, which were derived from the hologram using the fringe scanning method, were inversely transformed to those
Autor:
Tsumoru Shintake, Tatsuyuki Sakurai, Takashi Ohshima, Chikara Kondo, Katsutoshi Shirasawa, Hirokazu Maesaka, Takahiro Inagaki, Yuji Otake
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 17, Iss 8, p 080702 (2014)
An electron linac using a C -band rf frequency, 5.712 GHz, has enabled us to obtain an acceleration gradient of more than 35 MV / m reliably. A C -band accelerator system has been developed and constructed for the compact x-ray FEL facility, SACLA, i