Dr. Hidenori Watarai Profile

Dr. Hidenori Watarai

CEO at AstraSens LLC

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 28 October 2022 Presentation + Paper

Development of the wide-swath and high-resolution optical imager (WISH) onboard Advanced Land Observing Satellite-3 (ALOS-3)

Asami Hayato, Hidenori Watarai, Kei Shimomura, Tomoya Niwa, Yasutaka Fujii, Toru Matsuda

Proceedings Volume 12264, 122640A (2022) https://doi.org/10.1117/12.2636402

KEYWORDS: Modulation transfer functions, Mirrors, Telescopes, Satellites, Charge-coupled devices, Signal to noise ratio, Surface finishing, Sensors, Imaging systems, Staring arrays

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Proceedings Article | 12 July 2019 Open Access

Development of the wide-swath and high-resolution optical imager onboard advanced optical satellite (ALOS-3)

Hidenori Watarai, Haruyoshi Katayama, Tomoya Niwa, Masakazu Sagisaka

Proceedings Volume 11180, 111801Q (2019) https://doi.org/10.1117/12.2535981

KEYWORDS: Mirrors, Satellites, Sensors, Protactinium, Off axis mirrors, Imaging systems, Charge-coupled devices, Polishing, Optics manufacturing, Modulation transfer functions

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Proceedings Article | 25 September 2018 Presentation + Paper

Current development status of the wide-swath and high-resolution optical imager onboard Advanced Optical Satellite (ALOS-3)

Hidenori Watarai, Haruyoshi Katayama, Takeo Tadono, Tomoya Niwa, Masakazu Sagisaka

Proceedings Volume 10785, 107850P (2018) https://doi.org/10.1117/12.2325818

KEYWORDS: Mirrors, Charge-coupled devices, Imaging systems, Satellites, Sensors, Manufacturing, Satellite imaging, Optics manufacturing, Polishing, Surface finishing

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Proceedings Article | 29 September 2017 Paper

Overview of the Japanese Advanced Optical Satellite: mission objectives, a satellite system, and an onboard imager

Hidenori Watarai, Haruyoshi Katayama, Takeo Tadono, Eri Kato, Tomoya Niwa, Masakazu Sagisaka

Proceedings Volume 10423, 104230P (2017) https://doi.org/10.1117/12.2277306

KEYWORDS: Satellites, Adaptive optics, Onboard cameras, Cameras, Earth observing sensors, Digital image processing, Process modeling, Imaging systems, Optical resolution, Knowledge management

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Proceedings Article | 12 July 2008 Paper

The Infrared Camera (IRC) for AKARI: in-flight imaging performance and the post cryogen mission

Takehiko Wada, Takashi Onaka, Hideo Matsuhara, Naofumi Fujishiro, Hideaki Fujiwara, Daisuke Ishihara, Yoshifusa Ita, Hirokazu Kataza, Woojung Kim, Toshio Matsumoto, Hiroshi Murakami, Youichi Ohyama, Shinki Oyabu, Itsuki Sakon, Toshihiko Tanabé, Tsutomu Tange, Toshinobu Takagi, Satoshi Takita, Kazunori Uemizu, Munetaka Ueno, Fumihiko Usui, Hidenori Watarai, Martin Cohen, Keigo Enya, Takafumi Ootsubo, Chris Pearson, Norihide Takeyama, Tomoyasu Yamamuro, Yuji Ikeda

Proceedings Volume 7010, 70100C (2008) https://doi.org/10.1117/12.789472

KEYWORDS: Sensors, Near infrared, Telescopes, Infrared cameras, Imaging spectroscopy, Cryogenics, Space telescopes, Mirrors, Helium, Point spread functions

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Proceedings Article | 12 July 2008 Paper

Mid-infrared all-sky survey with AKARI/IRC

Daisuke Ishihara, Takashi Onaka, Hirokazu Kataza, Hideaki Fujiwara, Satoshi Takita, Carlos Alfageme, Martin Cohen, Naofumi Fujishiro, Pedro Garcia-Lario, Sunao Hasegawa, Yoshifusa Ita, Woojung Kim, Takao Nakagawa, Hideo Matsuhara, Toshio Matsumoto, Hiroshi Murakami, Youichi Ohyama, Shinki Oyabu, Jeonghyun Pyo, Itsuki Sakon, Alberto Salama, Craig Stephenson, Hiroshi Shibai, Toshihiko Tanabe, Kazunori Uemizu, Munetaka Ueno, Fumihiko Usui, Takehiko Wada, Hidenori Watarai, Chisato Yamauchi, Issei Yamamura

Proceedings Volume 7010, 70100B (2008) https://doi.org/10.1117/12.788737

KEYWORDS: Mid-IR, Astronomy, Calibration, Spatial resolution, Signal processing, Stars, Infrared radiation, Infrared astronomy, Satellites, Image processing

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Proceedings Article | 12 July 2008 Paper

Data reduction techniques for slit and slit-less spectroscopy of diffuse emission with the Infrared Camera onboard AKARI

Itsuki Sakon, Takashi Onaka, Takehiko Wada, Youichi Ohyama, Hideo Matsuhara, Naofumi Fujishiro, Daisuke Ishihara, Yoshifusa Ita, Hidehiro Kaneda, Hirokazu Kataza, Woojung Kim, Toshio Matsumoto, Hiroshi Murakami, Takao Nakagawa, Shinki Oyabu, Toshihiko Tanabe, Toshinobu Takagi, Kazunori Uemizu, Munetaka Ueno, Fumihiko Usui, Hidenori Watarai, Martin Cohen

Proceedings Volume 7010, 70102Y (2008) https://doi.org/10.1117/12.788696

KEYWORDS: Spectroscopy, Imaging spectroscopy, Infrared cameras, Photons, Galactic astronomy, Light, Satellites, Infrared radiation, Emission spectroscopy, Astronomy

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Proceedings Article | 15 September 2007 Paper

Development of lightweight SiC mirrors for the space infrared telescope for cosmology and astrophysics (SPICA) mission

Hidehiro Kaneda, Takao Nakagawa, Takashi Onaka, Keigo Enya, Hirokazu Kataza, Sin'itirou Makiuti, Hideo Matsuhara, Masashi Miyamoto, Hiroshi Murakami, Hideki Saruwatari, Hidenori Watarai, Yukari Yui

Proceedings Volume 6666, 666607 (2007) https://doi.org/10.1117/12.733430

KEYWORDS: Mirrors, Space telescopes, Telescopes, Silicon carbide, Cryogenics, Infrared telescopes, James Webb Space Telescope, Space mirrors, Composites, Astronomy

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Proceedings Article | 18 August 2005 Paper

Optical performance evaluation of near-infrared camera (NIR) on board ASTRO-F

Woojung Kim, Hideo Matsuhara, Takashi Onaka, Hirokazu Kataza, Takehiko Wada, Kazunori Uemizu, Munetaka Ueno, Hiroshi Murakami, Naofumi Fujishiro, Daisuke Ishihara, Hidenori Watarai, Norihide Takeyama, Yuji Ikeda

Proceedings Volume 5904, 590418 (2005) https://doi.org/10.1117/12.615810

KEYWORDS: Near infrared, Cameras, Telescopes, Distortion, Chromatic aberrations, Sensors, Image quality, Silicon, Infrared cameras, Optical filters

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Proceedings Article | 18 August 2005 Paper

Optical system of the 12-26 micron instrument (MIR-L) for ASTRO-F

Naofumi Fujishiro, Hideo Matsuhara, Yuji Ikeda, Tomoyasu Yamamuro, Norihide Takeyama, Takashi Onaka, Hirokazu Kataza, Takehiko Wada, Kazunori Uemizu, Itsuki Sakon, Chiaki Ihara, Daisuke Ishihara, Woojung Kim, Munetaka Ueno, Hidenori Watarai, Hiroshi Murakami

Proceedings Volume 5904, 59040I (2005) https://doi.org/10.1117/12.614503

KEYWORDS: Lenses, Cryogenics, Sensors, Telescopes, Optical filters, Point spread functions, Imaging spectroscopy, Spectroscopes, Spectroscopy, Optical design

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Proceedings Article | 12 October 2004 Paper

The infrared camera (IRC) on board the ASTRO-F: laboratory tests and expected performance

Takashi Onaka, Naofumi Fujishiro, Chiaki Ihara, Daisuke Ishihara, Yoshifusa Ita, Hirokazu Kataza, Woojung Kim, Hideo Matsuhara, Toshio Matsumoto, Hiroshi Murakami, Itsuki Sakon, Kazunori Uemizu, Munetaka Ueno, Takehiko Wada, Hidenori Watarai

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.550857

KEYWORDS: Near infrared, Sensors, Infrared cameras, Telescopes, Galactic astronomy, Bandpass filters, Optical filters, Beam splitters, Infrared astronomy, Infrared radiation

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Proceedings Article | 12 October 2004 Paper

Mid-infrared all-sky survey with the infrared camera (IRC) on board the ASTRO-F

Daisuke Ishihara, Takehiko Wada, Takashi Onaka, Hideo Matsuhara, Hirokazu Kataza, Munetaka Ueno, Naofumi Fujishiro, Woojung Kim, Hidenori Watarai, Kazunori Uemizu, Hiroshi Murakami, Toshio Matsumoto, Issei Yamamura

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.551282

KEYWORDS: Infrared radiation, Infrared cameras, Spatial resolution, Satellites, Mid-IR, Astronomy, Computer simulations, Infrared astronomy, Scanners, Staring arrays

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Proceedings Article | 12 October 2004 Paper

Optical design and performance of the 12- to 26-µm channel (MIR-L) of the infrared camera on board ASTRO-F

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.551538

KEYWORDS: Sensors, Infrared cameras, Point spread functions, Cryogenics, Spectroscopy, Optical design, Lenses, Telescopes, Zemax, Infrared radiation

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Proceedings Article | 5 March 2003 Paper

Infrared camera (IRC) onboard ASTRO-F

Takehiko Wada, Naofumi Fujishiro, Daisuke Ishihara, Hirokazu Kataza, Woojung Kim, Hideo Matsuhara, Toshio Matsumoto, Hiroshi Murakami, Takashi Onaka, Norihide Takeyama, Kazunori Uemizu, Munetaka Ueno, Hidenori Watarai

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461619

KEYWORDS: Near infrared, Control systems, Sensors, Infrared cameras, Satellites, Calibration, Space telescopes, Optical filters, Electronics, Staring arrays

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Proceedings Article | 5 March 2003 Paper

Evaluation of the mid-and near-infrared focal plane arrays for Japanese infrared astronomical satellite ASTRO-F

Daisuke Ishihara, Takehiko Wada, Hidenori Watarai, Hideo Matsuhara, Hirokazu Kataza, Takashi Onaka, Munetaka Ueno, Kazunori Uemizu, Woojung Kim, Naofumi Fujishiro, Hiroshi Murakami

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461225

KEYWORDS: Sensors, Scanners, Clocks, Infrared radiation, Astronomy, Near infrared, Spatial resolution, Infrared astronomy, Satellites, Detector arrays

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Proceedings Article | 28 July 2000 Paper

Infrared camera (IRC) on board ASTRO-F (IRIS): design overview and current status

Hidenori Watarai, Saneyuki Fujita, Daisuke Ishihara, Woojung Kim, Ippei Maeda, Hideo Matsuhara, Toshio Matsumoto, Hiroshi Murakami, Taketoshi Negishi, Takashi Onaka, Takafumi Ootsubo, Norihide Takeyama, Kazunori Uemizu, Munetaka Ueno, Takehiko Wada

Proceedings Volume 4013, (2000) https://doi.org/10.1117/12.393993

KEYWORDS: Near infrared, Telescopes, Space telescopes, Sensors, Electronics, Infrared cameras, Spectroscopy, Lenses, Imaging spectroscopy, Detector arrays

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Proceedings Article | 26 July 1999 Paper

IRC (infrared camera) onboard IRIS (ASTRO-F)

Munetaka Ueno, Takashi Onaka, Takafumi Ootsubo, Taketoshi Negishi, Norihide Takeyama, Takehiko Wada, Hidenori Watarai, Hideo Matsuhara, Hiroshi Murakami, Toshio Matsumoto

Proceedings Volume 3698, (1999) https://doi.org/10.1117/12.354564

KEYWORDS: IRIS Consortium, Space telescopes, Sensors, Telescopes, Galactic astronomy, Infrared cameras, Spectroscopy, Near infrared, Infrared radiation, Cameras

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Showing 5 of 17 publications

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