The team has carried out the R&D on fast detectors, two-dimensional detectors and fast data acquisition system with high precision for the XFEL facility, SACLA, and accelerated the XFEL science. We expand our capability on top of these infrastructure by developing new detection, data acquisition, and data analysis technologies. We devote ourselves especially to the acceleration of X-ray science through the invention of new detection scheme by employing the state-of-art very large scale integration (VLSI) technology.

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References
1) Takashi Kameshima, Shun Ono, Togo Kudo, Kyosuke Ozaki, Yoichi Kirihara, Kazuo Kobayashi, Yuichi Inubushi, Makina Yabashi, Toshio Horigome, Andrew Holland, Karen Holland, David Burt, Hajime Murao and Takaki Hatsui, “Development of an X-ray pixel detector with multi-port charge-coupled device for X-ray free-electron laser experiments ", Review of Scientific Instruments, Vol. 85 033110 (2014), http://dx.doi.org/10.1063/1.4867668
2) T. Hatsui, M. Omodani, T. Kudo, K. Kobayashi, T. Imamura，T. Ohmoto，A. Iwata, S. Ono，Y. Kirihara，T. Kameshima, H. Kasai, N. Miura, N. Kuriyama, M. Okihara, Y. Nagatomo, M. Nagasaki, T. Watanabe, Makina Yabashi, “A direct-detection X-ray CMOS image sensor with 500 μm thick high resistivity silicon”, Proceedings of International Image Sensor Workshop, 2013 Art. 3.05
3) Yutaka Imamura and Takaki Hatsui, “Theoretical study on valence excitations of multiply ionized states for envelope measurement of x-ray free-electron-laser pulses”, Physcal Review A, (2013) Art. No. 043413. Y Imamura, T Hatsui, “Interplay of strong chemical bonds and the repulsive Coulomb force in the metastable states of triply ionized homonuclear molecules: A theoretical study of N23+ and O23+”, Physical Review A, 85 (2012) 012524.
4) Togo Kudo, Kensuke Tono, Makina Yabashi, Tadashi Togashi, Takahiro Sato, Yuichi Inubushi, Motohiko Omodani, Yoichi Kirihara, Tomohiro Matsushita, Kazuo Kobayashi, Mitsuhiro Yamaga, Sadayuki Uchiyama and Takaki Hatsui, "A photodiode amplifier system for pulse-by-pulse intensity measurement of an x-ray free electron laser", Review of Scientific Instruments Vol. 83, 043108 (2012). http://dx.doi.org/10.1063/1.3701713
5) M. Yamaga, A. Amselem, T. Hirono, Y. Joti, A. Kiyomichi, T. Ohata, T. Sugimoto, R. Tanaka, T. Hatsui “Event-Synchronized Data-Acquisition System of 5 Giga bps Data rate for user experiment at the XFEL facility, SACLA”, Proceedings of ICALEPCS2011, Art. Number TUCAUST06 (2011).