Dr. Hiroshi Akitaya
Senior Staff Scientist at Chiba Institute of Technology
SPIE Involvement:
Author
Publications (18)

Proceedings Article | 23 August 2024 Presentation + Paper
Proceedings Volume 13092, 130922B (2024) https://doi.org/10.1117/12.3013597
KEYWORDS: Prisms, Telescopes, Satellites, Optical design, Thermal modeling

Proceedings Article | 23 August 2024 Poster + Paper
Proceedings Volume 13092, 130926Z (2024) https://doi.org/10.1117/12.3016203
KEYWORDS: Prisms, Adhesives, Telescopes, Near infrared, Design, Silica, Satellites, Fabrication, X-ray telescopes

Proceedings Article | 21 August 2024 Presentation + Paper
Daisuke Yonetoku, Akihiro Doi, Tatehiro Mihara, Hideo Matsuhara, Takanori Sakamoto, Kohji Tsumura, Kunihito Ioka, Makoto Arimoto, Teruaki Enoto, Kenjiro Fujimoto, Hatsune Goto, Shuichi Gunji, Junko Hiraga, Shintaro Ikunaga, Nobuyuki Kawai, Ryuji Kondo, Shunsuke Kurosawa, Junyi Li, Yoshitomo Maeda, Ikuyuki Mitsuishi, Toshio Murakami, Issin Nagataka, Yujin Nakagawa, Naoki Ogino, Taiki Owari, Ryuji Sato, Masataka Sato, Tomoya Sato, Tatsuya Sawano, Motoko Serino, Hsien-Chieh Shen, Satoshi Sugita, Shuta Takahashi, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Toru Tanimori, Makoto Tashiro, Takumi Togashi, Hiroshi Tomida, Keito Watanabe, Kazutaka Yamaoka, Makoto Yamauchi, Yoichi Yatsu, Atsumasa Yoshida, Hiroshi Akitaya, Akihiko Fukui, Haruki Fukui, Yoshifusa Ita, Koji Kawabata, Shuji Matsuura, Akihiro Miyasaka, Kentaro Motohara, Norio Narita, Hirofumi Noda, Hirofumi Okita, Kei Sano, Keisuke Shinozaki, Sou Tajima, Yuji Urata, Takehiko Wada, Kenshi Yanagisawa, Michitoshi Yoshida, Nobutaka Bando, Ichiro Jikuya, Kenji Minesugi, Yasuyuki Miyazaki, Yusuke Kono, Naoki Takase, Shunichi Nakatsubo, Tooru Kaga, Katsuaki Asano, Kohei Inayoshi, Susumu Inoue, Hirotaka Ito, Hideyuki Izumiura, Norita Kawanaka, Tomoya Kinugawa, Shota Kisaka, Kenta Kiuchi, Koutarou Kyutoku, 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, Yuichi Harikane, Masaomi Tanaka, Shigeo Kimura, Mariko Kimura
Proceedings Volume 13093, 1309320 (2024) https://doi.org/10.1117/12.3018571
KEYWORDS: X-rays, Telescopes, Sensors, X-ray telescopes, Satellites, Physics, Near infrared, X-ray astronomy, X-ray imaging

Proceedings Article | 21 August 2024 Poster + Paper
Proceedings Volume 13093, 130936B (2024) https://doi.org/10.1117/12.3018566
KEYWORDS: Photons, Histograms, Algorithm development, X-rays, Image sensors, Gamma radiation, Satellites, X-ray telescopes, Spatial resolution, Detection and tracking algorithms

Proceedings Article | 18 July 2024 Poster + Paper
Proceedings Volume 13096, 130963G (2024) https://doi.org/10.1117/12.3013630
KEYWORDS: Imaging systems, Telescopes, Sensors, Optical filters, Atmospheric modeling, Transmittance, Quantum detection, Equipment

Proceedings Article | 12 March 2021 Paper
Proceedings Volume 11763, 117630K (2021) https://doi.org/10.1117/12.2585776

Proceedings Article | 13 December 2020 Presentation + Paper
Proceedings Volume 11443, 114430R (2020) https://doi.org/10.1117/12.2560654
KEYWORDS: Telescopes, Infrared telescopes, Optical instrument design, X-ray telescopes, Astronomy, Gamma radiation, X-rays, Satellites, Infrared detectors, Mirrors

Proceedings Article | 13 December 2020 Presentation + Paper
Proceedings Volume 11454, 1145418 (2020) https://doi.org/10.1117/12.2560925
KEYWORDS: Photon counting, Imaging systems, Avalanche photodetectors, Prototyping, Astronomical imaging, Astronomy, Image resolution, Avalanche photodiodes, Sensor performance, Sensors

Proceedings Article | 13 December 2020 Poster + Paper
Proceedings Volume 11447, 114479U (2020) https://doi.org/10.1117/12.2561664
KEYWORDS: Optomechanical design, Polarimetry, Cameras, Calibration, Telescopes, Collimators, Optical instrument design, Astronomical telescopes, Astronomy, Observatories

Proceedings Article | 13 December 2020 Presentation + Paper
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

Proceedings Article | 13 December 2020 Poster + Paper
Proceedings Volume 11447, 114475Z (2020) https://doi.org/10.1117/12.2560903
KEYWORDS: Polarimetry, Imaging systems, Telescopes, Charge-coupled devices, Photometry, Planets, Stars

Proceedings Article | 6 August 2014 Paper
Hiroshi Akitaya, Yuki Moritani, Takahiro Ui, Takeshi Urano, Yuma Ohashi, Koji Kawabata, Asami Nakashima, Mahito Sasada, Kiyoshi Sakimoto, Tatsuya Harao, Hisashi Miyamoto, Rieko Matsui, Ryosuke Itoh, Katsutoshi Takaki, Issei Ueno, Takashi Ohsugi, Hidehiko Nakaya, Takuya Yamashita, Michitoshi Yoshida
Proceedings Volume 9147, 91474O (2014) https://doi.org/10.1117/12.2054577
KEYWORDS: Polarization, Polarimetry, Imaging spectroscopy, Telescopes, Sensors, Prisms, Spectroscopy, Stars, Spectroscopes, CCD image sensors

Proceedings Article | 28 July 2014 Paper
Takahiro Ui, Shigeyuki Sako, Takuya Yamashita, Hiroshi Akitaya, Koji Kawabata, Hidehiko Nakaya, Yuki Moritani, Ryosuke Itoh, Katsutoshi Takaki, Takeshi Urano, Issei Ueno, Takashi Ohsugi, Michitoshi Yoshida, Hikaru Nakao, Yasuhito Hashiba
Proceedings Volume 9147, 91476C (2014) https://doi.org/10.1117/12.2055388
KEYWORDS: Sensors, Linear filtering, Multiplexers, Electrons, Mirrors, Analog electronics, Clocks, Detector development, Imaging spectroscopy, Astronomy

Proceedings Article | 24 September 2012 Paper
Kiyoshi Sakimoto, Hiroshi Akitaya, Takuya Yamashita, Koji Kawabata, Hidehiko Nakaya, Hisashi Miyamoto, Tatsuya Harao, Ryosuke Itoh, Risako Matsui, Yuki Moritani, Asami Nakashima, Takashi Ohsugi, Mahito Sasada, Katsutoshi Takaki, Issei Ueno, Takahiro Ui, Takeshi Urano, Michitoshi Yoshida
Proceedings Volume 8446, 844673 (2012) https://doi.org/10.1117/12.926425
KEYWORDS: Sensors, Telescopes, Polarimetry, Imaging spectroscopy, Infrared imaging, Cameras, Optical benches, Spectroscopes, Optical components, Beam splitters

Proceedings Article | 13 September 2012 Paper
Tetsuji Oota, Hirohiko Shinonaga, Kotaro Akutsu, Yuichiro Hashimoto, Itaru Otsuka, Yasushi Iwasaki, Masanori Iye, Takuya Yamashita, Hiroshi Akitaya, Ryuji Suzuki
Proceedings Volume 8450, 84502B (2012) https://doi.org/10.1117/12.926945
KEYWORDS: Mirrors, Polishing, Surface finishing, Telescopes, Monochromatic aberrations, Segmented mirrors, Interferometers, Astronomy, Off axis mirrors, Thirty Meter Telescope

Proceedings Article | 23 July 2010 Paper
Hiroshi Akitaya, Takuya Yamashita, Norio Ohshima, Masanori Iye, Toshinori Maihara, Hitoshi Tokoro, Keisuke Takahashi
Proceedings Volume 7739, 77392E (2010) https://doi.org/10.1117/12.856645
KEYWORDS: Surface finishing, Magnetorheological finishing, Etching, Polishing, Segmented mirrors, HF etching, Abrasives, Mirrors, Lens grinding equipment, Thirty Meter Telescope

Proceedings Article | 23 July 2008 Paper
Hiroshi Akitaya, Masanori Iye, Kiichi Okita, Motoyasu Sato, Hiroyuki Matsuo, Takeshi Itazu, Takeshi Uno, Masao Yamaguchi, Zen-ei Tanaka, Takuya Yamashita, Koji Kawabata, Makoto Uemura, Mikio Kurita
Proceedings Volume 7018, 70183H (2008) https://doi.org/10.1117/12.788884
KEYWORDS: Mirrors, Ceramics, Telescopes, Glasses, Astronomical telescopes, Aspheric lenses, Polishing, Manufacturing, Surface finishing, Lens grinding equipment

Proceedings Article | 14 February 2003 Paper
Yuji Ikeda, Hiroshi Akitaya, Kentaro Matsuda, Koji Kawabata, Munezo Seki, Ryuko Hirata, Akira Okazaki
Proceedings Volume 4843, (2003) https://doi.org/10.1117/12.458833
KEYWORDS: Laser induced plasma spectroscopy, Polarization, Polarimetry, Telescopes, Charge-coupled devices, Wave plates, Astronomy, Spectral resolution, Stars, Adhesives

Showing 5 of 18 publications
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