Mr. Tomohiro Hakamata Profile

Tomohiro Hakamata

at Osaka Univ

SPIE Involvement:

Author

Publications (7)

SPIE Journal Paper | 10 October 2024

Multi-image X-ray interferometer module: II. Demonstration of high-resolution X-ray imaging with regular-interval coded apertures

Kazunori Asakura, Kiyoshi Hayashida, Tomokage Yoneyama, Hirofumi Noda, Marina Yoshimoto, Tomohiro Hakamata, Hironori Matsumoto, Hiroshi Tsunemi

JATIS, Vol. 10, Issue 04, 045002, (October 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.045002

KEYWORDS: X-rays, Spatial resolution, X-ray imaging, X-ray sources, Sensors, Transmittance, Coded apertures, Astronomical interferometers, X-ray detectors, Imaging systems

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Proceedings Article | 11 September 2024 Poster + Paper

Proof-of-concept study of MeV gamma-ray imaging using a liquid argon time projection chamber for GRAMS

Satoshi Takashima, Hirokazu Odaka, Kentaro Shirahama, Kota Ishiwata, Ryutaro Tatsumi, Hodaka Kawamura, Tomohiro Hakamata, Marina Yoshimoto, Shin Watanabe, Tsubasa Tamba, Hiroki Yoneda, Shota Arai, Aya Bamba, Masahiro Ichihashi, Kazutaka Aoyama, Masashi Tanaka, Kohei Yorita, Kazuhiro Nakazawa, Keigo Okuma, Tsuguo Aramaki, Georgia Karagiorgi

Proceedings Volume 13093, 130937R (2024) https://doi.org/10.1117/12.3018323

KEYWORDS: Gamma radiation, Electrons, Argon, Liquids, Sensors, Scintillation, Anodes, Silicon photomultipliers, Forward error correction, Vacuum chambers

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Proceedings Article | 22 August 2024 Presentation

The GRAMS mission for MeV gamma-ray astronomy and dark matter search

Hirokazu Odaka, Kazutaka Aoyama, Shota Arai, Shintaro Arai, Tsuguo Aramaki, Jonathan Asaadi, Aya Bamba, John Barry, Manel Errando, Lorenzo Fabris, Tatsuki Fujiwara, Yasushi Fukazawa, Kouichi Hagino, Tomohiro Hakamata, Utano Hijikata, Nagisa Hiroshima, Masahiro Ichihashi, Yuto Ichinohe, Yoshiyuki Inoue, Koki Ishikawa, Kota Ishiwata, Toshiya Iwata, Georgia Karagiorgi, Tatsuaki Kato, Hodaka Kawamura, Dmitry Khangulyan, Jon Leyva, Emma Malabanan, Akshay Malige, John Mitchell, Reshmi Mukherjee, Riki Nakajima, Kazuhiro Nakazawa, Nga Nguyen, Keigo Okuma, Kerstin Perez, Nabin Poudyal, Melissa Rivera, Ibrahim Safa, William Seligman, Ruo-Yu Shang, Mihir Shetty, Tiga Shimizu, Kentaro Shirahama, Takuya Shiraishi, Sonya Smith, Yusuke Suda, Arathi Suraj, Hiromitsu Takahashi, Satoshi Takashima, Tsubasa Tamba, Masashi Tanaka, Svanik Tandon, Hinako Taniguchi, Ryutaro Tatsumi, John Tomsick, Naomi Tsuji, Yusuke Uchida, Yorinobu Utsumi, Shin Watanabe, Timothy Wessling-Resnick, Yutaro Yano, Kazushi Yawata, Hiroki Yoneda, Kohei Yorita, Marina Yoshimoto, Jiancheng Zeng

Proceedings Volume 13093, 130932N (2024) https://doi.org/10.1117/12.3018610

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Proceedings Article | 21 August 2024 Presentation + Paper

Status of Xtend telescope onboard X-Ray Imaging and Spectroscopy Mission (XRISM)

Koji Mori, Hiroshi Tomida, Hiroshi Nakajima, Takashi Okajima, Hirofumi Noda, Hiroyuki Uchida, Hiromasa Suzuki, Shogo Benjamin Kobayashi, Tomokage Yoneyama, Kouichi Hagino, Kumiko Nobukawa, Takaaki Tanaka, Hiroshi Murakami, Hideki Uchiyama, Masayoshi Nobukawa, Hironori Matsumoto, Takeshi Tsuru, Makoto Yamauchi, Isamu Hatsukade, Hirokazu Odaka, Takayoshi Kohmura, Kazutaka Yamaoka, Manabu Ishida, Yoshitomo Maeda, Takayuki Hayashi, Keisuke Tamura, Rozenn Boissay-Malaquin, Toshiki Sato, Tessei Yoshida, Yoshiaki Kanemaru, Junko Hiraga, Tadayasu Dotani, Masanobu Ozaki, Hiroshi Tsunemi, Shun Inoue, Ryuishi Azuma, Yoh Asahina, Shutaro Nakamura, Takamitsu Kamei, Masahiro Fukuda, Kazunori Asakura, Marina Yoshimoto, Yuichi Ode, Tomohiro Hakamata, Mio Aoyagi, Kohei Shima, Yuma Aoki, Yamato Ito, Daiki Aoki, Kaito Fujisawa, Yasuyuki Shimizu, Mayu Higuchi, Keitaro Miyazaki, Kohei Kusunoki, Yoshinori Otsuka, Haruhiko Yokosu, Wakana Yonemaru, Kazuhiro Ichikawa, Hanako Nakano, Reo Takemoto, Tsukasa Matsushima, Kiyoshi Hayashida

Proceedings Volume 13093, 130931I (2024) https://doi.org/10.1117/12.3019804

KEYWORDS: X-rays, Charge-coupled devices, X-ray imaging, Calibration, X-ray telescopes, Space operations, Imaging spectroscopy, CCD cameras, Spectroscopy

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Proceedings Article | 31 August 2022 Presentation + Paper

Xtend, the soft x-ray imaging telescope for the X-Ray Imaging and Spectroscopy Mission (XRISM)

Koji Mori, Hiroshi Tomida, Hiroshi Nakajima, Takashi Okajima, Hirofumi Noda, Takaaki Tanaka, Hiroyuki Uchida, Kouichi Hagino, Shogo Benjamin Kobayashi, Hiromasa Suzuki, Tessei Yoshida, Hiroshi Murakami, Hideki Uchiyama, Masayoshi Nobukawa, Kumiko Nobukawa, Tomokage Yoneyama, Hironori Matsumoto, Takeshi Tsuru, Makoto Yamauchi, Isamu Hatsukade, Manabu Ishida, Yoshitomo Maeda, Takayuki Hayashi, Keisuke Tamura, Rozenn Boissay-Malaquin, Toshiki Sato, Junko Hiraga, Takayoshi Kohmura, Kazutaka Yamaoka, Tadayasu Dotani, Masanobu Ozaki, Hiroshi Tsunemi, Yoshiaki Kanemaru, Jin Sato, Toshiyuki Takaki, Yuta Terada, Keitaro Miyazaki, Kohei Kusunoki, Yoshinori Otsuka, Haruhiko Yokosu, Wakana Yonemaru, Yoh Asahina, Kazunori Asakura, Marina Yoshimoto, Yuichi Ode, Junya Sato, Tomohiro Hakamata, Mio Aoyagi, Yuma Aoki, Shun Tsunomachi, Toshiki Doi, Daiki Aoki, Kaito Fujisawa, Masatoshi Kitajima, Kiyoshi Hayashida

Proceedings Volume 12181, 121811T (2022) https://doi.org/10.1117/12.2626894

KEYWORDS: Charge-coupled devices, X-rays, X-ray imaging, Calibration, CCD cameras, Imaging spectroscopy, Spectroscopy, Cameras, Space operations, Aluminum

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Proceedings Article | 31 August 2022 Presentation + Paper

Sub-arcsecond x-ray imaging with Multi-Image X-ray Interferometer Module (MIXIM): introduction of a periodic coded-aperture mask

Kazunori Asakura, Kiyoshi Hayashida, Shotaro Sakuma, Ayami Ishikura, Kenmei Sawagami, Wataru Kamogawa, Tomokage Yoneyama, Hirofumi Noda, Koki Okazaki, Maho Hanaoka, Kengo Hattori, Yusuke Matsushita, Taisei Mineta, Marina Yoshimoto, Yuichi Ode, Tomohiro Hakamata, Hironori Matsumoto, Hiroshi Tsunemi

Proceedings Volume 12181, 1218129 (2022) https://doi.org/10.1117/12.2629656

KEYWORDS: X-rays, Spatial resolution, X-ray imaging, Coded apertures, Interferometers, Sensors, X-ray detectors, Transmittance, X-ray sources, X-ray astronomy

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Proceedings Article | 18 December 2020 Presentation + Paper

Sub-arcseconds to micro-arcsecond x-ray imaging with multi image x-ray interferometer method (MIXIM): concept and scalabe mission plans

Kiyoshi Hayashida, Kazunori Asakura, Ayami Ishikura, Shotaro Sakuma, Takashi Hanasaka, Tomoki Kawabata, Tomokage Yoneyama, Hirofumi Noda, Koki Okazaki, Maho Hanaoka, Kengo Hattori, Kenmei Sawagami, Wataru Kamogawa, Hiroshi Nakajima, Yusuke Matsuhita, Taisei Mineta, Marina Yoshimoto, Tomohiko Hakamata, Yuichi Ode, Hironori Matsumoto, Hiroshi Tsunemi, Hisamitsu Awaki, Yuichi Terashima, Toshihiro Kawaguchi

Proceedings Volume 11444, 114441C (2020) https://doi.org/10.1117/12.2562193

KEYWORDS: X-ray imaging, X-rays, Interferometers, Diffraction gratings, Sensors, Image resolution, Spatial resolution, Satellites, Astronomy, Visibility

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Showing 5 of 7 publications

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