Prof. Kazutaka Yamaoka Profile

Prof. Kazutaka Yamaoka

at Nagoya Univ

SPIE Involvement:

Author

Publications (41)

Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Study on possible proton-induced background of LaBr3(Ce) scintillator in a low-Earth orbit

Tsubasa Mizushima, Atsumasa Yoshida, Kazutaka Yamaoka, Satoshi Hatori, Kyo Kume

Proceedings Volume 11454, 114542S (2020) https://doi.org/10.1117/12.2560810

KEYWORDS: Scintillators, Gamma radiation, Spectroscopy, Crystals, Particles, Photons, Hard x-rays, Iodine, Synchrotrons, Sensors

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Cerium-doped Lanthanum Bromide [LaBr₃(Ce)] is a relatively newly developed inorganic scintillator with high performance for X/gamma-rays. It has high light yield, good energy resolution, and suitable time response for X/gamma- ray spectroscopy in comparison with NaI(Tl) conventionally used for spaceexperiments. Although NaI(Tl), especially using a cleaved surface forthe entrance window, was regarded as the most suitable scintillatorfor the spectroscopy of photons in the hard X-ray to gamma-ray band, a large amount of induced background from radio-activated iodinepolluted observed spectra, which were caused by charged particleirradiation in a high radiation region such as South Atlantic Anomalyin space experiments (e.g., Murakami et al. 1989). LaBr₃(Ce) could have comparable or even better performance toNaI(Tl). There is, however, very limited knowledge about radio-activated LaBr₃(Ce) estimated in a low-earth orbit. To verify the degradation of performance by high charged particle radiation field estimated in a low-earth orbit, we performed proton irradiation experiments using a synchrotron accelerator at TheWakasa Bay Energy Research Center. We performed irradiation experiments of LaBr₃(Ce) using proton beams with 20, 70, 140 MeV. The crystal has the size of 0.5 inch in diameter and a thickness of 0.5 inch; the thickness is the same as the gamma-ray burst detector flown after for the CALET experiment (Yamaoka et al. 2013). The measurement has been done to take gamma-ray spectra from the radio-activated LaBr3(Ce) crystal during the period from 7 minutes to 3.8 days after the proton irradiation. As a result, we detected 24 gamma-ray peak sand identified 19 nuclides by activation. We also found that the nuclides generated by the proton irradiation can be divided into two types; short-lived nuclides (half-life shorter than 24 hours) and long-lived nuclides (half- life longer than a day). From the results, we estimated that the background rate of LaBr₃(Ce) in a low-earth orbitexpected for such as the International Space Station was several counts per second, which was smaller than that for Cosmic X-ray background from an opening angle of about a pi steradian. The contamination suffered from radio-activation of LaBr₃(Ce) crystal was sufficiently small for spectroscopy with a large field-of-view taken forsuch as gamma-ray transient observations.

Proceedings Article | 13 December 2020 Presentation + Paper

Status of x-ray imaging and spectroscopy mission (XRISM)

Makoto Tashiro, Hironori Maejima, Kenichi Toda, Richard Kelley, Lillian Reichenthal, Leslie Hartz, Robert Petre, Brian Williams, Matteo Guainazzi, Elisa Costantini, Ryuichi Fujimoto, Kiyoshi Hayashida, Joy Henegar-Leon, Matt Holland, Yoshitaka Ishisaki, Caroline Kilbourne, Mike Loewenstein, Kyoko Matsushita, Koji Mori, Takashi Okajima, F. Scott Porter, Gary Sneiderman, Yoh Takei, Yukikatsu Terada, Hiroshi Tomida, Hiroya Yamaguchi, Shin Watanabe, Hiroki Akamatsu, Yoshitaka Arai, Marc Audard, Hisamitsu Awaki, Iurii Babyk, Aya Bamba, Nobutaka Bando, Ehud Behar, Thomas Bialas, Rozenn Boissay-Malaquin, Laura Brenneman, Greg Brown, Edgar Canavan, Meng Chiao, Brian Comber, Lia Corrales, Renata Cumbee, Cor de Vries, Jan-Willem den Herder, Johannes Dercksen, Maria Diaz-Trigo, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Dominique Eckert, Satoshi Eguchi, Teruaki Enoto, Yuichiro Ezoe, Carlo Ferrigno, Yutaka Fujita, Yasushi Fukazawa, Akihiro Furuzawa, Luigi Gallo, Nathalie Gorter, Martin Grim, Liyi Gu, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, David Hawthorn, Katsuhiro Hayashi, Natalie Hell, Junko Hiraga, Edmund Hodges-Kluck, Takafumi Horiuchi, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Sayuri Iga, Ryo Iizuka, Manabu Ishida, Naoki Ishihama, Kumi Ishikawa, Kosei Ishimura, Tess Jaffe, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Steven Kenyon, Mark Kimball, Takao Kitaguchi, Shunji Kitamoto, Shogo Kobayashi, Akihide Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Muzi Li, Tom Lockard, Yoshitomo Maeda, Maxim Markevitch, Connor Martz, Hironori Matsumoto, Keiichi Matsuzaki, Dan McCammon, Brian McLaughlin, Brian McNamara, Joseph Miko, Eric Miller, Jon Miller, Kenji Minesugi, Shinji Mitani, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Hideto Nakamura, Kazuhiro Nakazawa, Chikara Natsukari, Kenichiro Nigo, Yusuke Nishioka, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Mina Ogawa, Takaya Ohashi, Masahiro Ohno, Masayuki Ohta, Atsushi Okamoto, Naomi Ota, Masanobu Ozaki, Stephane Paltani, Paul Plucinsky, Katja Pottschmidt, Michael Sampson, Takahiro Sasaki, Kosuke Sato, Rie Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Shuhei Shigeto, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Randall Smith, Kazunori Someya, Yang Soong, Keisuke Sugawara, Yasuharu Sugawara, Andy Szymkowiak, Hiromitsu Takahashi, Toshiaki Takeshima, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Tomomi Watanabe, Michael Witthoeft, Rob Wolfs, Shinya Yamada, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Keiichi Yanagase, Tahir Yaqoob, Susumu Yasuda, Tessei Yoshida, Nasa Yoshioka, Irina Zhuravleva

Proceedings Volume 11444, 1144422 (2020) https://doi.org/10.1117/12.2565812

KEYWORDS: X-rays, X-ray imaging, Imaging spectroscopy, Spectroscopy, Spectroscopes, X-ray astronomy, Space operations, Control systems, Image resolution, Mirrors

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Proceedings Article | 13 December 2020 Presentation + Paper

Soft x-ray imager (SXI) for Xtend onboard X-Ray Imaging and Spectroscopy Mission (XRISM)

Hiroshi Nakajima, Kiyoshi Hayashida, Hiroshi Tomida, Koji Mori, Hirofumi Noda, Hironori Matsumoto, Tomokage Yoneyama, Koki Okazaki, Kazunori Asakura, Maho Hanaoka, Kengo Hattori, Ayami Ishikura, Shotaro Sakuma, Takaaki Tanaka, Hiroyuki Uchida, Takeshi Tsuru, Yuki Amano, Hiromichi Okon, Makoto Yamauchi, Isamu Hatsukade, Yusuke Nishioka, Yoshiaki Kanemaru, Jin Sato, Toshiyuki Takaki, Yuta Terada, Tessei Yoshida, Takayoshi Kohmura, Kouichi Hagino, Shogo Kobayashi, Hiroshi Murakami, Hikari Kashimura, Hideki Uchiyama, Kazutaka Yamaoka, Masayoshi Nobukawa, Takashi Sako, Kumiko Nobukawa, Mariko Saito, Junko Hiraga, Yukino Urabe, Masayuki Yoshida, Tadayasu Dotani, Masanobu Ozaki, Hiroshi Tsunemi

Proceedings Volume 11444, 1144423 (2020) https://doi.org/10.1117/12.2560348

KEYWORDS: X-ray imaging, Charge-coupled devices, Imaging spectroscopy, Spectroscopy, X-rays, X-ray telescopes, CCD image sensors, Fermium, Frequency modulation, CCD cameras

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Proceedings Article | 13 December 2020 Presentation + Paper

High-redshift gamma-ray burst for unraveling the Dark Ages Mission: HiZ-GUNDAM

Daisuke Yonetoku, Tatehiro Mihara, Akihiro Doi, Takanori Sakamoto, Kohji Tsumura, Kunihito Ioka, Yusuke Amaya, Makoto Arimoto, Teruaki Enoto, Takeru Fujii, Hatsune Goto, Shuichi Gunji, Junko Hiraga, Hirokazu Ikeda, Nobuyuki Kawai, Shunsuke Kurosawa, Jin Li, Yoshitomo Maeda, Ikuyuki Mitsuishi, Toshio Murakami, Yujin Nakagawa, Naoki Ogino, Masanori Ohno, Tatsuya Sawano, Kensyo Sei, Motoko Serino, Satoshi Sugita, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Toru Tanimori, Makoto Tashiro, Hiroshi Tomida, Hyeongsoon Wang, Tomohiro Yamaguchi, Ayumi Yamamoto, Kazutaka Yamaoka, Makoto Yamauchi, Yoichi Yatsu, Atsumasa Yoshida, Daito Yuhi, Hiroshi Akitaya, Akihiko Fukui, Yoshifusa Ita, Hidehiro Kaneda, Koji Kawabata, Yoshikatsu Kawata, Miku Kurimata, Toshio Matsumoto, Shuji Matsuura, Akihiro Miyasaka, Kentaro Motohara, Norio Narita, Hirofumi Noda, Akisato Ohashi, Hirofumi Okita, Kei Sano, Masaomi Tanaka, Yuji Urata, Takehiko Wada, Hikaru Yamaguchi, Kenshi Yanagisawa, Michitoshi Yoshida, Katsuaki Asano, Kohei Inayoshi, Susumu Inoue, Hirotaka Ito, Hideyuki Izumiura, Norita Kawanaka, Tomoya Kinugawa, Shota Kisaka, Kenta Kiuchi, Jin Matsumoto, Akira Mizuta, Kohta Murase, Hiroki Nagakura, Shigehiro Nagataki, Yoshikazu Nakada, Takashi Nakamura, Yuu Niino, Yudai Suwa, Keitaro Takahashi, Takahiro Tanaka, Kenji Toma, Tomonori Totani, Ryo Yamazaki, Jun'ichi Yokoyama

Proceedings Volume 11444, 114442Z (2020) https://doi.org/10.1117/12.2560603

KEYWORDS: Gamma radiation, Astronomy, X-ray optics, Satellite communications, Satellites, Observatories, X-ray detectors, X-ray telescopes, X-ray imaging, X-rays

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Proceedings Article | 18 September 2018 Presentation + Paper

Solar neutron and gamma-ray spectrometer for a small satellite

Kazutaka Yamaoka, Hiroyasu Tajima, Yoshitaka Itow, Hirosane Fujii, Yuta Nakanishi, Yuhei Kamei, Takeharu Yamakawa, Takumi Niwa, Itsuki Okui, Kikuko Miyata, Takaya Inamori

Proceedings Volume 10762, 107620J (2018) https://doi.org/10.1117/12.2323451

KEYWORDS: Sensors, Scintillators, Satellites, Gamma radiation, Signal processing, Solar energy, Particles, Solar processes, Space operations, Spectroscopy

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Proceedings Article | 10 July 2018 Presentation + Paper

Soft x-ray imaging telescope (Xtend) onboard X-ray Astronomy Recovery Mission (XARM)

Kiyoshi Hayashida, Hiroshi Tomida, Koji Mori, Hiroshi Nakajima, Takaaki Tanaka, Hiroyuki Uchida, Takeshi Tsuru, Hiroshi Murakami, Takashi Okajima, Takayoshi Kohmura, Kouichi Hagino, Shogo Kobayashi, Manabu Ishida, Yoshitomo Maeda, Hideki Uchiyama, Kazutaka Yamaoka, Hironori Matsumoto, Masayoshi Nobukawa, Kumiko Nobukawa, Junko Hiraga, Makoto Yamauchi, Isamu Hatsukade, Yang Soong, Hideyuki Mori, Takayuki Hayashi, Hiroshi Tsunemi, Masanobu Ozaki, Tadayasu Dotani, Junichi Iwagaki, Tomokage Yoneyama, Koki Okazaki, Kazunori Asakura, Satomi Onishi, Yoshiaki Kanemaru, Jin Sato, Yusuke Nishioka, Ayaki Takeda, Hiromichi Okon, Masayuki Yoshida, Takeo Shimoi

Proceedings Volume 10699, 1069923 (2018) https://doi.org/10.1117/12.2311446

KEYWORDS: Charge-coupled devices, X-rays, Aluminum, X-ray telescopes, Coating, X-ray imaging, Mirrors, Satellites, Electronics, Fermium

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Proceedings Article | 6 July 2018 Presentation + Paper

Concept of the X-ray Astronomy Recovery Mission

Makoto Tashiro, Hironori Maejima, Kenichi Toda, Richard Kelley, Lillian Reichenthal, James Lobell, Robert Petre, Matteo Guainazzi, Elisa Costantini, Mark Edison, Ryuichi Fujimoto, Martin Grim, Kiyoshi Hayashida, Jan-Willem den Herder, Yoshitaka Ishisaki, Stéphane Paltani, Kyoko Matsushita, Koji Mori, Gary Sneiderman, Yoh Takei, Yukikatsu Terada, Hiroshi Tomida, Hiroki Akamatsu, Lorella Angelini, Yoshitaka Arai, Hisamitsu Awaki, Lurli Babyk, Aya Bamba, Peter Barfknecht, Kim Barnstable, Thomas Bialas, Branimir Blagojevic, Joseph Bonafede, Clifford Brambora, Laura Brenneman, Greg Brown, Kimberly Brown, Laura Burns, Edgar Canavan, Tim Carnahan, Meng Chiao, Brian Comber, Lia Corrales, Cor de Vries, Johannes Dercksen, Maria Diaz-Trigo, Tyrone Dillard, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Carlo Ferrigno, Yasushi Fukazawa, Yutaka Fujita, Akihiro Furuzawa, Luigi Gallo, Steve Graham, Liyi Gu, Kohichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Dean Hawes, Takayuki Hayashi, Cailey Hegarty, Natalie Hell, Junko Hiraga, Edmund Hodges-Kluck, Matt Holland, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Ryo Iizuka, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Bryan James, Timothy Kallman, Erin Kara, Satoru Katsuda, Steven Kenyon, Caroline Kilbourne, Mark Kimball, Takao Kitaguti, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Shu Koyama, Aya Kubota, Maurice Leutenegger, Tom Lockard, Mike Loewenstein, Yoshitomo Maeda, Lynette Marbley, Maxim Markevitch, Hironori Matsumoto, Keiichi Matsuzaki, Dan McCammon, Brian McNamara, Joseph Miko, Eric Miller, Jon Miller, Kenji Minesugi, Ikuyuki Mitsuishi, Tsunefumi Mizuno, Hideyuki Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Hideto Nakamura, Shinya Nakashima, Kazuhiro Nakazawa, Chikara Natsukari, Kenichiro Nigo, Yusuke Nishioka, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Mina Ogawa, Takaya Ohashi, Masahiro Ohno, Masayuki Ohta, Takashi Okajima, Atsushi Okamoto, Michitaka Onizuka, Naomi Ota, Masanobu Ozaki, Paul Plucinsky, F. Scott Porter, Katja Pottschmidt, Kosuke Sato, Rie Sato, Makoto Sawada, Hiromi Seta, Ken Shelton, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Peter Shirron, Aurora Simionescu, Randall Smith, Kazunori Someya, Yang Soong, Yasuharu Suagawara, Andy Szymkowiak, Hiromitsu Takahashi, Toru Tamagawa, Takayuki Tamura, Takaaki Tanaka, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Thomas Walsh, Shin Watanabe, Brian Williams, Rob Wolfs, Michael Wright, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Shigeo Yamauchi, Makoto Yamauchi, Keiichi Yanagase, Tahir Yaqoob, Susumu Yasuda, Nasa Yoshioka, Jaime Zabala, Zhuravleva Irina

Proceedings Volume 10699, 1069922 (2018) https://doi.org/10.1117/12.2309455

KEYWORDS: X-rays, Spectroscopy, Plasma, Galactic astronomy, Iron, Physics, Galaxy groups and clusters, Chemical elements, X-ray astronomy, Stars

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The ASTRO-H mission was designed and developed through an international collaboration of JAXA, NASA, ESA, and the CSA. It was successfully launched on February 17, 2016, and then named Hitomi. During the in-orbit verification phase, the on-board observational instruments functioned as expected. The intricate coolant and refrigeration systems for soft X-ray spectrometer (SXS, a quantum micro-calorimeter) and soft X-ray imager (SXI, an X-ray CCD) also functioned as expected. However, on March 26, 2016, operations were prematurely terminated by a series of abnormal events and mishaps triggered by the attitude control system. These errors led to a fatal event: the loss of the solar panels on the Hitomi mission. The X-ray Astronomy Recovery Mission (or, XARM) is proposed to regain the key scientific advances anticipated by the international collaboration behind Hitomi. XARM will recover this science in the shortest time possible by focusing on one of the main science goals of Hitomi,“Resolving astrophysical problems by precise high-resolution X-ray spectroscopy”.¹ This decision was reached after evaluating the performance of the instruments aboard Hitomi and the mission’s initial scientific results, and considering the landscape of planned international X-ray astrophysics missions in 2020’s and 2030’s. Hitomi opened the door to high-resolution spectroscopy in the X-ray universe. It revealed a number of discrepancies between new observational results and prior theoretical predictions. Yet, the resolution pioneered by Hitomi is also the key to answering these and other fundamental questions. The high spectral resolution realized by XARM will not offer mere refinements; rather, it will enable qualitative leaps in astrophysics and plasma physics. XARM has therefore been given a broad scientific charge: “Revealing material circulation and energy transfer in cosmic plasmas and elucidating evolution of cosmic structures and objects”. To fulfill this charge, four categories of science objectives that were defined for Hitomi will also be pursued by XARM; these include (1) Structure formation of the Universe and evolution of clusters of galaxies; (2) Circulation history of baryonic matters in the Universe; (3) Transport and circulation of energy in the Universe; (4) New science with unprecedented high resolution X-ray spectroscopy. In order to achieve these scientific objectives, XARM will carry a 6 × 6 pixelized X-ray micro-calorimeter on the focal plane of an X-ray mirror assembly, and an aligned X-ray CCD camera covering the same energy band and a wider field of view. This paper introduces the science objectives, mission concept, and observing plan of XARM.

SPIE Journal Paper | 26 April 2018 Open Access

Design and performance of Soft Gamma-ray Detector onboard the Hitomi (ASTRO-H) satellite

Hiroyasu Tajima, Shin Watanabe, Yasushi Fukazawa, Roger Blandford, Teruaki Enoto, Andrea Goldwurm, Kouichi Hagino, Katsuhiro Hayashi, Yuto Ichinohe, Jun Kataoka, Jun’ichiro Katsuta, Takao Kitaguchi, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Goro Sato, Rie Sato, Shin’ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

JATIS, Vol. 4, Issue 02, 021411, (April 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.021411

KEYWORDS: Sensors, Cameras, Gamma radiation, Avalanche photodetectors, Satellites, Silicon, Physics, Power supplies, Photons, Monte Carlo methods

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SPIE Journal Paper | 9 April 2018 Open Access

Hard x-ray imager onboard Hitomi (ASTRO-H)

Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Kouichi Hagino, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Shogo Kobayashi, Philippe Laurent, François Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin’ichiro Takeda, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

JATIS, Vol. 4, Issue 02, 021410, (April 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.021410

KEYWORDS: Imaging systems, Hard x-rays, Avalanche photodetectors, Sensors, Satellites, X-rays, Cameras, Americium, Imaging spectroscopy, X-ray imaging

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SPIE Journal Paper | 30 March 2018 Open Access

In-orbit performance and calibration of the Hard X-ray Imager onboard Hitomi (ASTRO-H)

Kouichi Hagino, Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Shogo Kobayashi, Philippe Laurent, François Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Taketo Mimura, Katsuma Miyake, Tsunefumi Mizuno, Kunishiro Mori, Hiroaki Murakami, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin’ichiro Takeda, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

JATIS, Vol. 4, Issue 02, 021409, (March 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.021409

KEYWORDS: Sensors, Calibration, Hard x-rays, Imaging systems, Electrons, X-rays, Silicon, Monte Carlo methods, Satellites, Americium

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Proceedings Article | 25 July 2016 Paper

The hard x-ray imager (HXI) onboard ASTRO-H

Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Kouichi Hagino, Atsushi Harayama, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Philippe Laurent, François Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

Proceedings Volume 9905, 990511 (2016) https://doi.org/10.1117/12.2231176

KEYWORDS: Imaging systems, X-rays, Sensors, Hard x-rays, Satellites, X-ray telescopes, Avalanche photodetectors, Cameras, Calibration, Lead

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Proceedings Article | 20 July 2016 Paper

The soft gamma-ray detector (SGD) onboard ASTRO-H

Shin Watanabe, Hiroyasu Tajima, Yasushi Fukazawa, Roger Blandford, Teruaki Enoto, Andrea Goldwurm, Kouichi Hagino, Katsuhiro Hayashi, Yuto Ichinohe, Jun Kataoka, Junichiro Katsuta, Takao Kitaguchi, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Kazuhiro Nakazawa, Hirofumu Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Goro Sato, Rie Sato, Shin'ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

Proceedings Volume 9905, 990513 (2016) https://doi.org/10.1117/12.2231962

KEYWORDS: Sensors, Gamma radiation, Cameras, Silicon, Satellites, Avalanche photodetectors, Collimators, Monte Carlo methods, Physics, Aluminum

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Proceedings Article | 20 July 2016 Paper

The ASTRO-H (Hitomi) x-ray astronomy satellite

Tadayuki Takahashi, Motohide Kokubun, Kazuhisa Mitsuda, Richard Kelley, Takaya Ohashi, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura Brenneman, Greg Brown, Esra Bulbul, Edward Cackett, Edgar Canavan, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Kirk Gilmore, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Atsushi Harayama, Ilana Harrus, Isamu Hatsukade, Takayuki Hayashi, Katsuhiro Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Yuto Ichinohe, Ryo Iizuka, Yoshiyuki Inoue, Hajime Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Erin Kara, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangulyan, Caroline Kilbourne, Mark Kimball, Ashley King, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Tatsuro Kosaka, Alex Koujelev, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, François Lebrun, Shiu-Huang Lee, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Candace Masters, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Daniel McGuinness, Brian McNamara, Missagh Mehdipour, Joseph Miko, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Franco Moroso, Harvey Moseley, Theodore Muench, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Toshio Nakano, Shinya Nakashima, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Kumiko Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O'Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Atsushi Okamoto, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frederik Paerels, Stéphane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, James Pontius, F. Scott Porter, Katja Pottschmidt, Brian Ramsey, Christopher Reynolds, Helen Russell, Samar Safi-Harb, Shinya Saito, Shin-ichiro Sakai, Kazuhiro Sakai, Hiroaki Sameshima, Toru Sasaki, Goro Sato, Yoichi Sato, Kosuke Sato, Rie Sato, Makoto Sawada, Norbert Schartel, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Takanobu Shimada, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Łukasz Stawarz, Yasuharu Sugawara, Hiroyuki Sugita, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Shin'ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Keisuke Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yasunobu Uchiyama, Hideki Uchiyama, Yoshihiro Ueda, Shutaro Ueda, Shiro Ueno, Shin'ichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Tomomi Watanabe, Norbert Werner, Daniel Wik, Dan Wilkins, Brian Williams, Takahiro Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi

Proceedings Volume 9905, 99050U (2016) https://doi.org/10.1117/12.2232379

KEYWORDS: X-rays, X-ray astronomy, Sensors, Satellites, X-ray telescopes, Space operations, Physics, Space telescopes, Aerospace engineering, Calibration

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Proceedings Article | 31 July 2014 Paper

The Hard X-ray Imager (HXI) for the ASTRO-H Mission

Goro Sato, Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Atsushi Harayama, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Madoka Kawaharada, Philippe Laurent, François Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shinichiro Takeda, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

Proceedings Volume 9144, 914427 (2014) https://doi.org/10.1117/12.2055629

KEYWORDS: Sensors, Avalanche photodetectors, Imaging systems, Hard x-rays, Cameras, Calibration, Field programmable gate arrays, X-rays, Satellites, Performance modeling

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Proceedings Article | 25 July 2014 Paper

Development and verification of signal processing system of BGO active shield onboard Astro-H

Masanori Ohno, Shin'ya Tokuda, Takafumi Kawano, Shunya Furui, Ikumi Edahiro, Hiromitsu Takahashi, Kunihiro Goto, Yasushi Fukazawa, Hiroaki Murakami, Syogo Kobayashi, Soki Sakurai, Makoto Sasano, Shunsuke Torii, Toshio Nakano, Ko Ono, Katsuma Miyake, Terukazu Nishida, Kazuhiro Nakazawa, Kazuo Makishima, Kouichi Hagino, Takayuki Yuasa, Hirokazu Odaka, Rie Sato, Shin Watanabe, Motohide Kokubun, Tadayuki Takahashi, Goro Sato, Jun Kataoka, Tatsuhiko Saito, Kazutaka Yamaoka, Hiroyasu Tajima, Yoichi Yatsu, Takeshi Nakamori, Hideki Uchiyama, Daisuke Yonetoku

Proceedings Volume 9144, 91445G (2014) https://doi.org/10.1117/12.2055676

KEYWORDS: Signal processing, Sensors, Avalanche photodetectors, Logic, Cameras, Analog electronics, Signal detection, Digital filtering, Field programmable gate arrays, Gamma radiation

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Proceedings Article | 24 July 2014 Paper

High-z gamma-ray bursts for unraveling the dark ages mission HiZ-GUNDAM

Daisuke Yonetoku, Tatehiro Mihara, Tatsuya Sawano, Hirokazu Ikeda, Atsushi Harayama, Shunsuke Takata, Kazuki Yoshida, Hiroki Seta, Asuka Toyanago, Yasuaki Kagawa, Kentaro Kawai, Nobuyuki Kawai, Takanori Sakamoto, Motoko Serino, Shunsuke Kurosawa, Shuichi Gunji, Toru Tanimori, Toshio Murakami, Yoichi Yatsu, Kazutaka Yamaoka, Atsumasa Yoshida, Koji Kawabata, Toshio Matsumoto, Koji Tsumura, Shuji Matsuura, Mai Shirahata, Hirofumi Okita, Kensi Yanagisawa, Michitoshi Yoshida, Kentaro Motohara

Proceedings Volume 9144, 91442S (2014) https://doi.org/10.1117/12.2055041

KEYWORDS: Sensors, Near infrared, X-ray imaging, X-rays, Image sensors, Capacitance, Telescopes, Satellites, Gamma radiation, Analog electronics

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Proceedings Article | 24 July 2014 Paper

Soft gamma-ray detector (SGD) onboard the ASTRO-H mission

Yasushi Fukazawa, Hiroyasu Tajima, Shin Watanabe, Roger Blandford, Katsuhiro Hayashi, Atsushi Harayama, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shin'ya Saito, Goro Sato, Rie Sato, Shin'ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

Proceedings Volume 9144, 91442C (2014) https://doi.org/10.1117/12.2055292

KEYWORDS: Cameras, Sensors, Avalanche photodetectors, Silicon, Gamma radiation, Control systems, Forward error correction, Physics, Electronics, Satellites

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Proceedings Article | 24 July 2014 Paper

The ASTRO-H X-ray astronomy satellite

Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura Brenneman, Gregory Brown, Ed Cackett, Edgar Canavan, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Kirk Gilmore, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kenji Hamaguchi, Atsushi Harayama, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Una Hwang, Ryo Iizuka, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Mark Kimball, Masashi Kimura, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Saori Konami, Tatsuro Kosaka, Alexander Koujelev, Katsuji Koyama, Hans Krimm, Aya Kubota, Hideyo Kunieda, Stephanie LaMassa, Philippe Laurent, François Lebrun, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Maxim Markevitch, Candace Masters, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Daniel McGuinness, Brian McNamara, Joseph Miko, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Franco Moroso, Theodore Muench, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O'Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stéphane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, James Pontius, F. Porter, Katja Pottschmidt, Brian Ramsey, Rubens Reis, Christopher Reynolds, Claudio Ricci, Helena Russell, Samar Safi-Harb, Shinya Saito, Shin-ichiro Sakai, Hiroaki Sameshima, Kosuke Sato, Rie Sato, Goro Sato, Makoto Sawada, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Takanobu Shimada, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiroaki Takahashi, Hiromitsu Takahashi, Shin-ichiro Takeda, Yoh Takei, Toru Tamagawa, Keisuke Tamura, Takayuki Tamura, Takaaki Tanaka, Yasuyuki Tanaka, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yoko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Yoshihiro Ueda, Shutaro Ueda, Shiro Ueno, Shinichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Tomomi Watanabe, Norbert Werner, Nicholas White, Dan Wilkins, Shinya Yamada, Takahiro Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi, John ZuHone

Proceedings Volume 9144, 914425 (2014) https://doi.org/10.1117/12.2055681

KEYWORDS: Sensors, X-rays, Hard x-rays, X-ray telescopes, X-ray astronomy, Physics, Space telescopes, Satellites, Astronomy, Spectroscopy

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Proceedings Article | 31 July 2010 Paper

The ASTRO-H Mission

Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Felix Aharonian, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Hisamitsu Awaki, Aya Bamba, Nobutaka Bando, Mark Bautz, Roger Blandford, Kevin Boyce, Greg Brown, Mara Chernyakova, Paolo Coppi, Elisa Costantini, Jean Cottam, John Crow, Jelle de Plaa, Cor de Vries, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Poshak Gandhi, Keith Gendreau, Kirk Gilmore, Yoshito Haba, Kenji Hamaguchi, Isamu Hatsukade, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, John Hughes, Una Hwang, Ryo Iizuka, Kazunori Ishibashi, Manabu Ishida, Kosei Ishimura, Yoshitaka Ishisaki, Naoki Isobe, Masayuki Ito, Naoko Iwata, Jelle Kaastra, Tim Kallman, Tuneyoshi Kamae, Hideaki Katagiri, Jun Kataoka, Satoru Katsuda, Madoka Kawaharada, Nobuyuki Kawai, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Kenzo Kinugasa, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Tatsuro Kosaka, Taro Kotani, Katsuji Koyama, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Francois Lebrun, Olivier Limousin, Michael Loewenstein, Knox Long, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Jon Miller, Shin Mineshige, Kenji Minesugi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Yujin Nakagawa, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Kazuhiro Nakazawa, Yoshiharu Namba, Masaharu Nomachi, Stephen O'Dell, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frederik Paerels, Stéphane Paltani, Arvind Parmar, Robert Petre, Martin Pohl, S. Porter, Brian Ramsey, Christopher Reynolds, Shin-ichiro Sakai, Rita Sambruna, Goro Sato, Yoichi Sato, Peter Serlemitsos, Maki Shida, Takanobu Shimada, Keisuke Shinozaki, Peter Shirron, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Hiroyuki Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Yoh Takei, Tohru Tamagawa, Takayuki Tamura, Keisuke Tamura, Takaaki Tanaka, Yasayuki Tanaka, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Miyako Tozuka, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yasunobu Uchiyama, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Meg Urry, Shin Watanabe, Nicholas White, Takahiro Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida

Proceedings Volume 7732, 77320Z (2010) https://doi.org/10.1117/12.857875

KEYWORDS: Sensors, X-rays, Hard x-rays, Physics, X-ray telescopes, X-ray imaging, Spectroscopy, Spatial resolution, Imaging systems, Iron

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Proceedings Article | 30 July 2010 Paper

Development of BGO active shield for the ASTRO-H soft gamma-ray detector

Y. Hanabata, Y. Fukazawa, K. Yamaoka, H. Tajima, J. Kataoka, K. Nakazawa, H. Takahashi, T. Mizuno, M. Ohno, M. Kokubun, T. Takahashi, S. Watanabe, M. Tashiro, Y. Terada, C. Sasaki, K. Nakajima, T. Mizushima

Proceedings Volume 7732, 77323B (2010) https://doi.org/10.1117/12.856745

KEYWORDS: Avalanche photodetectors, Gamma radiation, Sensors, Signal processing, Cameras, Data conversion, Scintillation, Digital filtering, Crystals, Digital signal processing

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Proceedings Article | 30 July 2010 Paper

Hard x-ray imager (HXI) for the ASTRO-H Mission

Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Kirk Gilmore, Jun Kataoka, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Masanori Ohno, Masayuki Ohta, Goro Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Yoichi Yatsu, Kazutaka Yamaoka

Proceedings Volume 7732, 773215 (2010) https://doi.org/10.1117/12.857933

KEYWORDS: Sensors, Hard x-rays, Imaging systems, Silicon, Avalanche photodetectors, Spatial resolution, Photons, X-rays, Mirrors, Satellites

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Proceedings Article | 29 July 2010 Paper

Soft gamma-ray detector for the ASTRO-H Mission

Hiroyasu Tajima, Roger Blandford, Teruaki Enoto, Yasushi Fukazawa, Kirk Gilmore, Tuneyoshi Kamae, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, Francois Lebrun, Olivier Limousin, Greg Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kazuhiro Nakazawa, Masanori Ohno, Masayuki Ohta, Goro Sato, Rie Sato, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Daisuke Yonetoku

Proceedings Volume 7732, 773216 (2010) https://doi.org/10.1117/12.857531

KEYWORDS: Sensors, Silicon, Cameras, Avalanche photodetectors, Gamma radiation, Polarization, Forward error correction, Kinematics, X-rays, Hard x-rays

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Proceedings Article | 29 July 2010 Paper

Early results of MAXI (Monitor of All-sky X-ray Image) on ISS

M. Matsuoka, T. Mihara, M. Sugizaki, M. Suzuki, Y. Nakagawa, T. Yamamoto, T. Sootome, K. Kawasaki, S. Ueno, H. Tomida, M. Kohama, M. Ishikawa, Y. Adachi, Y. Itamoto, Y. Kobayashi, H. Katayama, N. Kawai, M. Morii, K. Sugimori, H. Tsunemi, M. Kimura, A. Yoshida, K. Yamaoka, S. Nakahira, H. Negoro, H. Ozawa, F. Suwa, M. Nakajima, Y. Ueda, N. Isobe, S. Eguchi, K. Hiroi, K. Ebisawa, A. Daikyuji, M. Yamauchi, A. Uzawa, T. Matsumura, K. Yamazaki, Y. Tsuboi

Proceedings Volume 7732, 77320Y (2010) https://doi.org/10.1117/12.857946

KEYWORDS: X-rays, X-ray imaging, X-ray sources, Cameras, Gamma radiation, Satellites, X-ray detectors, Astronomy, Binary data, Particles

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Proceedings Article | 22 July 2008 Paper

The CALET mission on the ISS

S. Torii, M. Hareyama, N. Hasebe, K. Kasahara, S. Kobayashi, S. Kodaira, H. Murakami, S. Ozawa, S. Udo, N. Yamashita, K. Ebisawa, H. Fuke, J. Nishimura, Y. Saito, M. Takayanagi, H. Tomida, S. Ueno, T. Yamagami, K. Hibino, S. Okuno, T. Tamura, N. Tateyama, T. Kobayashi, T. Kotani, K. Yamaoka, A. Yoshida, Y. Shimizu, M. Takita, T. Yuda, Y. Katayose, M. Shibata, E. Kamioka, A. Kubota, K. Yoshida, M. Ichimura, S. Kuramata, Y. Tunesada, T. Terasawa, H. Kitamura, Y. Uchihori, Y. Komori, K. Mizutani, K. Munakata, A. Shiomi, J. Mitchell, A. Ericsson, T. Hams, J. Krizmanic, A. Moissev, M. Sasaki, J. Ormes, M. Cherry, T. Guzik, J. Wefel, W. Binns, M. Israel, H. Krawczynski, P. Marrocchesi, M. Gagliesi, G. Bigongiari, A. Caldarone, M. Kim, R. Cecchi, P. Maestro, V. Millucci, R. Zei, C. Avanzini, T. Lotadze, A. Messineo, F. Morsani, O. Adirani, L. Bonechi, P. Papini, E. Vannuccini, J. Chan, W. Gan, T. Lu, Y. Ma, H. Wang, G. Chen

Proceedings Volume 7021, 702114 (2008) https://doi.org/10.1117/12.788524

KEYWORDS: Particles, Gamma radiation, Sensors, Space telescopes, Electroluminescence, Scintillators, Signal to noise ratio, Anisotropy, Telescopes, Solar energy

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Proceedings Article | 15 July 2008 Paper

Hard X-ray imager (HXI) for the NeXT mission

Motohide Kokubun, Kazuhiro Nakazawa, Shin Watanabe, Yasushi Fukazawa, Jun Kataoka, Hideaki Katagiri, Tsunefumi Mizuno, Kazuo Makishima, Masanori Ohno, Goro Sato, Rie Sato, Hiroyasu Tajima, Tadayuki Takahashi, Toru Tamagawa, Takaaki Tanaka, Makoto Tashiro, Hiromitsu Takahashi, Yukikatsu Terada, Yasunobu Uchiyama, Yuji Urata, Kazutaka Yamaoka, Shin'ichiro Takeda, Tetsuichi Kishishita, Masayoshi Ushio, Jun'ichiro Katsuta, Shin'nosuke Ishikawa, Hirokazu Odaka, Hiroyuki Aono, Souichiro Sugimoto, Yuu Koseki, Takao Kitaguchi, Teruaki Enoto, Shin'ya Yamada, Takayuki Yuasa, Tsuyoshi Ueda, Yuichi Uehara, Sho Okuyama, Hajimu Yasuda, Sho Nishino, Yudai Umeki, Katsuhiro Hayashi, Masayuki Matsuoka, Yuki Ikejiri, Akira Endo, Yuichi Yaji, Natsuki Kodaka, Wataru Iwakiri, Tomomi Kouzu, Takako Sugasawara, Atsushi Harayama, Satoshi Nakahira

Proceedings Volume 7011, 70110R (2008) https://doi.org/10.1117/12.788290

KEYWORDS: Sensors, Hard x-rays, Silicon, Imaging systems, X-ray telescopes, Photons, Space operations, Avalanche photodetectors, Space telescopes, X-ray detectors

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Proceedings Article | 15 July 2008 Paper

The MAXI mission operation plan

Shiro Ueno, Masaru Matsuoka, Kazuyoshi Kawasaki, Hiroshi Tomida, Yasuki Adachi, Mitsuhiro Kohama, Motoko Suzuki, Masaki Ishikawa, Haruyoshi Katayama, Tatehiro Mihara, Mutsumi Sugizaki, Naoki Isobe, Hiroshi Tsunemi, Emi Miyata, Nobuyuki Kawai, Jun Kataoka, Atsumasa Yoshida, Kazutaka Yamaoka, Hitoshi Negoro, Motoki Nakajima, Mikio Morii, Yoshihiro Ueda, Satoshi Eguchi

Proceedings Volume 7011, 70112N (2008) https://doi.org/10.1117/12.788582

KEYWORDS: X-rays, Calibration, Cameras, X-ray imaging, Collimators, Satellites, Internet, Data processing, X-ray sources, CCD cameras

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Proceedings Article | 15 July 2008 Paper

Development status and simulation study of monitor of all-sky x-ray image (MAXI) mission

Hiroshi Tomida, Masaru Matsuoka, Kazuyoshi Kawasaki, Shiro Ueno, Yasuki Adachi, Mitsuhiro Kohama, Motoko Suzuki, Masaki Ishikawa, Haruyoshi Katayama, Tatehiro Mihara, Mutsumi Sugizaki, Naoki Isobe, Hiroshi Tsunemi, Emi Miyata, Nobuyuki Kawai, Jun Kataoka, Atsumasa Yoshida, Kazutaka Yamaoka, Hitoshi Negoro, Motoki Nakajima, Yoshihiro Ueda, Satochi Eguchi, Mikio Morii

Proceedings Volume 7011, 70112R (2008) https://doi.org/10.1117/12.788833

KEYWORDS: X-rays, X-ray imaging, Polonium, Space telescopes, Ultraviolet radiation, Gamma radiation, Cameras, Device simulation, CCD cameras, Oxygen

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Proceedings Article | 18 September 2007 Paper

Development of a gamma-ray burst detector based on silicon drift detectors and scintillators

Kazutaka Yamaoka, Yusuke Arai, Takaaki Doshida, Andreas Pahlke, Akihito Tsutsui, Kotaro Yoshida, Satoshi Asano, Satoshi Nakahira, Atsumasa Yoshida, Hirokazu Ikeda, Tadayuki Takahashi, Kunishiro Mori, Hiroshi Kato

Proceedings Volume 6686, 66860K (2007) https://doi.org/10.1117/12.735600

KEYWORDS: Sensors, Gamma radiation, Scintillators, Silicon, X-rays, Signal detection, Cesium, Crystals, Analog electronics, Cerium

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Proceedings Article | 15 June 2006 Paper

Hard x-ray imager for the NeXT mission

Kazuhiro Nakazawa, Yasushi Fukazawa, Tuneyoshi Kamae, Jun Kataoka, Motohide Kokubun, Kazuo Makishima, Tsunefumi Mizuno, Toshio Murakami, Masaharu Nomachi, Hiroyasu Tajima, Tadayuki Takahashi, Makoto Tashiro, Toru Tamagawa, Yukikatsu Terada, Shin Watanabe, Kazutaka Yamaoka, Daisuke Yonetoku

Proceedings Volume 6266, 62662H (2006) https://doi.org/10.1117/12.670674

KEYWORDS: Sensors, Hard x-rays, Mirrors, Imaging systems, X-rays, X-ray imaging, Physics, Image resolution, Crystals, Imaging spectroscopy

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Proceedings Article | 15 June 2006 Paper

Inflight calibration and performance of the hard x-ray detector (HXD) onboard Suzaku

Y. Fukazawa, M. Mizuno, H. Takahashi, N. Kawano, M. Ohno, A. Hirasawa, T. Yamasaki, K. Makishima, M. Kokubun, M. Kawaharada, M. Murashima, R. Miyawaki, T. Yanagida, T. Itoh, T. Kitaguchi, S. Hirakuri, T. Enoto, M. Sato, T. Takahashi, K. Nakazawa, S. Watanabe, T. Tanaka, K. Oonuki, K. Tamura, T. Kishishita, S. Takeda, M. Ushio, J. Katsuta, Y. Terada, T. Tamagawa, A. Kubota, M. Tashiro, Y. Endo, K. Yamaoka, T. Murakami, D. Yonetoku, T. Kamae, G. Madejski

Proceedings Volume 6266, 62662L (2006) https://doi.org/10.1117/12.671214

KEYWORDS: Genetical swarm optimization, Calibration, Sensors, X-rays, Collimators, Particles, Gamma radiation, Hard x-rays, Satellites, Scintillators

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Proceedings Article | 15 June 2006 Paper

In-orbit performance of the Suzaku wideband all-sky monitor

Kazutaka Yamaoka, Satoshi Sugita, Masanori Ohno, Takuya Takahashi, Yasushi Fukazawa, Yukikatsu Terada, Tohru Tamagawa, Keiichi Abe, Yasuhiko Endo, Kaori Onda, Satoshi Matsumura, Makoto Tashiro, Soojing Hong, Goro Sato, Kazuhiro Nakazawa, Tadayuki Takahashi, Ryohei Miyawaki, Teruaki Enoto, Motohide Kokubun, Kazuo Makishima, Toshio Murakami

Proceedings Volume 6266, 626643 (2006) https://doi.org/10.1117/12.671994

KEYWORDS: Sensors, Satellites, Gamma radiation, Solar processes, X-rays, Photons, Physics, Electronics, Calibration, Astronomy

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Proceedings Article | 15 June 2006 Paper

Development of the collimator response of gas slit camera of MAXI

Mikio Morii, Masaru Matsuoka, Shiro Ueno, Hiroshi Tomida, Haruyoshi Katayama, Kazuyoshi Kawasaki, Takao Yokota, Naoyuki Kuramata, Tatehiro Mihara, Mitsuhiro Kohama, Naoki Isobe, Motoki Nakajima, Hiroshi Tsunemi, Emi Miyata, Atsumasa Yoshida, Kazutaka Yamaoka, Yuichiro Tsuchiya, Takehiro Miyakawa, Nobuyuki Kawai, Jun Kataoka, Satoshi Tanaka, Hitoshi Negoro

Proceedings Volume 6266, 62663U (2006) https://doi.org/10.1117/12.671300

KEYWORDS: Collimators, X-rays, Calibration, Cameras, X-ray imaging, Solid state cameras, Sensors, Beryllium, Tungsten, Data modeling

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Proceedings Article | 18 August 2005 Paper

Detector response of GSC/MAXI and its expected performance in orbit

Yuichiro Tsuchiya, Atsumasa Yoshida, Kazutaka Yamaoka, Tomomichi Arakuni, T. Miyakawa, Masaru Matsuoka, Shiro Ueno, Hiroshi Tomida, Takao Yokota, Kazuyoshi Kawasaki, Naoyuki Kuramata, Haruyoshi Katayama, Mikio Morii, Tatehiro Mihara, Motoki Nakajima, Naoki Isobe, Mitsuhiro Kohama, Hiroshi Tsunemi, Emi Miyata, Nobuyuki Kawai, Jun Kataoka, Hitoshi Negoro

Proceedings Volume 5898, 58981F (2005) https://doi.org/10.1117/12.616434

KEYWORDS: X-rays, Photons, Collimators, Sensors, Phase modulation, Cameras, X-ray detectors, Software development, X-ray imaging, Xenon

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Proceedings Article | 11 October 2004 Paper

Wide band X-ray Imager (WXI) and Soft Gamma-ray Detector (SGD) for the NeXT Mission

Tadayuki Takahashi, A. Awaki, Tadayasu Dotani, Yasushi Fukazawa, Kiyoshi Hayashida, Tuneyoshi Kamae, Jun Kataoka, Nobuyuki Kawai, Shunji Kitamoto, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Kazuo Makishima, Hironori Matsumoto, Emi Miyata, T. Murakami, Kazuhiro Nakazawa, Masaharu Nomachi, Masanobu Ozaki, Hiroyasu Tajima, Makoto Tashiro, Toru Tamagawa, Yukikatsu Terada, Hiroshi Tsunemi, Takeshi Tsuru, Kazutaka Yamaoka, D. Yonetoku, Atsumasa Yoshida

Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.551500

KEYWORDS: Sensors, Hard x-rays, Charge-coupled devices, X-rays, CCD image sensors, Telescopes, X-ray imaging, Gamma radiation, Silicon, Physics

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Proceedings Article | 29 September 2004 Paper

Development and qualification of the HXD-II onboard Astro-E2

Madoka Kawaharada, Soojing Hong, Mio Murashima, Motohide Kokubun, Takeshi Itoh, Kazuo Makishima, Ryouhei Miyawaki, Hisako Niko, Takayuki Yanagida, Takefumi Mitani, Kazuhiro Nakazawa, Kousuke Oonuki, Tadayuki Takahashi, Ken'ichi Tamura, Takaaki Tanaka, Yukikatsu Terada, Yasushi Fukazawa, Naomi Kawano, Kengo Kawashima, Masanori Ohno, Kazutaka Yamaoka, Keiichi Abe, Masaya Suzuki, Makoto Tashiro, Daisuke Yonetoku, Toshio Murakami

Proceedings Volume 5501, (2004) https://doi.org/10.1117/12.551051

KEYWORDS: Genetical swarm optimization, Scintillators, Sensors, PIN photodiodes, X-rays, Hard x-rays, Signal processing, Calibration, Cesium, Physics

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Proceedings Article | 22 October 1999 Paper

Preflight performance of the ASTRO-E hard-x-ray detector

Chiharu Tanihata, Jun Kataoka, Toshio Murakami, Naomi Ota, Hideki Ozawa, Tadayuki Takahashi, Takayuki Tamura, Yasunobu Uchiyama, S. Watanabe, Kazutaka Yamaoka, D. Yonetoku, Y. Ezoe, Yasushi Fukazawa, Naoki Isobe, Naoko Iyomoto, Tuneyoshi Kamae, Motohide Kokubun, J. Kotoku, Aya Kubota, Kazuo Makishima, Yukari Matsumoto, Tsunefumi Mizuno, Kazuhiro Nakazawa, Tomohisa Onishi, Masahiko Sugiho, Ikuya Takahashi, Masaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Masaharu Nomachi, Atsumasa Yoshida, M. Hamaya, M. Horii, Koji Taguchi, N. Morita, I. Odagi, Kunihiko Sato, Y. Tanaka, Kunishiro Mori

Proceedings Volume 3765, (1999) https://doi.org/10.1117/12.366546

KEYWORDS: Genetical swarm optimization, Sensors, PIN photodiodes, Particles, Diodes, Photomultipliers, Light emitting diodes, Satellites, Signal processing, X-rays

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Proceedings Article | 22 October 1999 Paper

Fabrication of the ASTRO-E hard-x-ray detector

Kazuhiro Nakazawa, Tuneyoshi Kamae, Kazuo Makishima, Tadayuki Takahashi, Toshio Murakami, Makoto Tashiro, Yasushi Fukazawa, Takayuki Tamura, Naoko Iyomoto, K. Ebisawa, Y. Ezoe, M. Hamaya, M. Horii, Naoki Isobe, Motohide Kokubun, J. Kotoku, Aya Kubota, Yukari Matsumoto, Tsunefumi Mizuno, Y. Mizuno, Kunishiro Mori, Tomohisa Onishi, Naomi Ota, Shin'ichi Shinoda, Masahiko Sugiho, Koji Taguchi, I. Takahasi, Masaaki Tanaka, Chiharu Tanihata, Yukikatsu Terada, Yasunobu Uchiyama, S. Watanabe, Kazutaka Yamaoka, D. Yonetoku

Proceedings Volume 3765, (1999) https://doi.org/10.1117/12.366496

KEYWORDS: Crystals, Sensors, PIN photodiodes, Collimators, Genetical swarm optimization, Calibration, Electronics, Silicon, X-rays, Scintillation

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Proceedings Article | 10 November 1998 Paper

Verification of the Astro-E Hard X-ray Detector based on newly developed ground support equipment

Jun Kataoka, Masaharu Nomachi, Tadayuki Takahashi, Ginga Kawaguti, Yukikatsu Terada, Toshio Murakami, Chiharu Tanihata, Yasuhiro Uchiyama, Kazutaka Yamaoka, Yasushi Fukazawa, Tuneyoshi Kamae, Kazuo Makishima, Makoto Tashiro, Hidetoshi Kubo

Proceedings Volume 3445, (1998) https://doi.org/10.1117/12.330272

KEYWORDS: Field programmable gate arrays, Sensors, Genetical swarm optimization, Data acquisition, Clocks, Hard x-rays, Analog electronics, Sun, Logic, Signal processing

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Proceedings Article | 10 November 1998 Paper

Electronic system for the Astro-E Hard X-ray Detector

Tadayuki Takahashi, Masaharu Nomachi, Yasushi Fukazawa, Makoto Tashiro, Hajime Ezawa, M. Hamaya, M. Horii, Naoki Isobe, Naoko Iyomoto, Jun Kataoka, Tuneyoshi Kamae, Ginga Kawaguti, Hidetoshi Kubo, S. Kubo, Aya Kubota, Motohide Kokubun, Kazuo Makishima, Keiichi Matsuzaki, Yukari Matsumoto, Tsunefumi Mizuno, Kunishiro Mori, N. Morita, Toshio Murakami, Kazuhiro Nakazawa, H. Obayashi, I. Odagi, Tomohisa Onishi, N. Ota, Hideki Ozawa, Kunihiko Sato, Masahiko Sugiho, Mutsumi Sugizaki, Koji Taguchi, Tadahisa Tamura, Y. Tanaka, Chiharu Tanihata, Yukikatsu Terada, Yasuhiro Uchiyama, Kazutaka Yamaoka, Atsumasa Yoshida

Proceedings Volume 3445, (1998) https://doi.org/10.1117/12.330273

KEYWORDS: Amplifiers, Sensors, Analog electronics, PIN photodiodes, Scintillators, Signal processing, Hard x-rays, Satellites, Genetical swarm optimization, X-rays

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Proceedings Article | 7 July 1997 Paper

Integration of the readout electronics for the Astro-E hard x-ray detector

Hideki Ozawa, Jun Kataoka, Toshio Murakami, Mutsumi Sugizaki, Tadayuki Takahashi, Kazutaka Yamaoka, Hajime Ezawa, Yasushi Fukazawa, Tuneyoshi Kamae, Kazuo Makishima, Tsunefumi Mizuno, Kazuhiro Nakazawa, Satoko Osone, Hirokazu Ikeda, Kiwamu Tsukada, Hidetoshi Kubo

Proceedings Volume 3115, (1997) https://doi.org/10.1117/12.277690

KEYWORDS: PIN photodiodes, Sensors, Analog electronics, Satellites, Electronics, Genetical swarm optimization, Amplifiers, Hard x-rays, Silicon, X-rays

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Proceedings Article | 18 October 1996 Paper

Astro-E hard x-ray detector

Tuneyoshi Kamae, Hajime Ezawa, Yasushi Fukazawa, Masaharu Hirayama, Eriko Idesawa, Naoko Iyomoto, Hidehiro Kaneda, Ginga Kawaguti, Motohide Kokubun, Hidetoshi Kubo, Aya Kubota, Kyoko Matsushita, Keiichi Matsuzaki, Kazuo Makishima, Tsunefumi Mizuno, Kazuhiro Nakazawa, Satoko Osone, H. Obayashi, Yoshitaka Saito, Takayuki Tamura, Masaaki Tanaka, Makoto Tashiro, Jun Kataoka, Toshio Murakami, Naomi Ota, Hideki Ozawa, Mutsumi Sugizaki, Kyoko Takizawa, Tadayuki Takahashi, Kazutaka Yamaoka, Atsumasa Yoshida, Hirokazu Ikeda, Kiwamu Tsukada, Masaharu Nomachi

Proceedings Volume 2806, (1996) https://doi.org/10.1117/12.253993

KEYWORDS: Genetical swarm optimization, Sensors, PIN photodiodes, Scintillators, Hard x-rays, Silicon, Collimators, X-rays, Analog electronics, Diodes

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Showing 5 of 41 publications

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