Prof. Kei Itoh Profile

Prof. Kei Itoh

at Japan Aerospace Exploration Agency

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 11 October 2004 Paper

Paper

Ground-based x-ray calibration of the Astro-E2 x-ray telescope: II. With diverging beam at PANTER

Kei Itoh, Hideyo Kunieda, Yoshitomo Maeda, Kazutami Misaki, Peter Serlemitsos, Ryo Shibata, Bernd Budau, Wolfgang Burkert, Michael Freyberg, Gisela Hartner, Kai-Wing Chan, Yoshito Haba, Akira Hayakawa, Ryo Iizuka, Chiaki Inoue, Hirohiko Inoue, Manabu Ishida, Akiharu Itoh, John Lehan, Hideyuki Mori, Masataka Naitou, Shunsaku Okada, Takashi Okajima, Tomoo Shimizu, Yang Soong, Yushi Yokoyama

Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.551446

KEYWORDS: X-rays, X-ray telescopes, Calibration, Reflectors, Sensors, Telescopes, Stray light, Point spread functions, Space telescopes, X-ray imaging

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Proceedings Article | 11 October 2004 Paper

Paper

Ground-based x-ray calibration of the Astro-E2 x-ray telescope: I. With pencil beam

Akiharu Itoh, Yoshito Haba, Akira Hayakawa, Ryo Iizuka, Chiaki Inoue, Hirohiko Inoue, Manabu Ishida, Kei Itoh, Hideyo Kunieda, Yoshitomo Maeda, Kazutami Misaki, Hideyuki Mori, Masataka Naitou, Shunsaku Okada, Ryo Shibata, Tomoo Shimizu, Yushi Yokoyama

Proceedings Volume 5488, (2004) https://doi.org/10.1117/12.551700

KEYWORDS: X-rays, X-ray telescopes, Telescopes, Space telescopes, X-ray optics, Calibration, Vignetting, X-ray imaging, Reflectors, Satellites

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Proceedings Article | 29 January 2004 Paper

Paper

Ground-based X-ray calibration of the telescopes onboard Astro-E2 satellite

Kazutami Misaki, Hideyo Kunieda, Yoshitomo Maeda, Yoshito Haba, Kei Itoh, Hideyuki Mori, Ryo Iizuka, Akiharu Itoh, Hirohiko Inoue, Shunsaku Okada, Yuushi Yokoyama, Yasushi Ogasaka, Keisuke Tamura, Akihiro Furuzawa, Ryo Shibata, Takeshi Tanaka, Masataka Naitou, Manabu Ishida, Akira Hayakawa, Chiaki Inoue, Atsushi Hayashi, Tomohiro Shimizu, Peter Serlemitsos, Yang Soong, Kai-Wing Chan, Takashi Okajima, John Lehan

Proceedings Volume 5168, (2004) https://doi.org/10.1117/12.505773

KEYWORDS: X-rays, X-ray telescopes, Image quality, Calibration, Space telescopes, Telescopes, Point spread functions, X-ray imaging, X-ray detectors, Sensors

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Proceedings Article | 29 January 2004 Paper

Paper

Development of Astro-E2 XRT pre-collimator for stray-light protection

Hideyuki Mori, Ryo Iizuka, Hideyo Kunieda, Kazutami Misaki, Yoshito Haba, Kei Itoh, Akiharu Itoh, Akira Hayakawa, Chiaki Inoue, Manabu Ishida, Ryo Shibata

Proceedings Volume 5168, (2004) https://doi.org/10.1117/12.506511

KEYWORDS: X-rays, Stray light, Fermium, Frequency modulation, Reflectors, Aluminum, X-ray telescopes, Sensors, Phase modulation, Optical alignment

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Proceedings Article | 11 March 2003 Paper

Paper

Normal incidence multilayer telescope for soft x-ray beam expander

Hideyo Kunieda, Kazutami Misaki, Yoshito Haba, Manabu Ishida, Kei Itoh, Hideyuki Mori, Ryo Shibata

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461513

KEYWORDS: X-ray telescopes, X-rays, Scattering, Mirrors, Laser scattering, Reflectivity, Calibration, Space telescopes, Beam expanders, Point spread functions

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Proceedings Article | 11 March 2003 Paper

Paper

ASTRO-E2 XRT precollimator for stray light protection: I. Design and expected performance

Ryo Shibata, Hideyuki Mori, Yoshitomo Maeda, Kazutami Misaki, Yoshito Haba, Kei Itoh, Ryo Iizuka, Taijiro Morihisa, Hideyo Kunieda, Akira Hayakawa, Manabu Ishida

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461475

KEYWORDS: Stray light, Reflectors, Reflection, X-rays, X-ray telescopes, Sensors, Photons, Space telescopes, Satellites, Aluminum

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Proceedings Article | 11 March 2003 Paper

Paper

ASTRO-E2 precollimator for stray light protection: II. Fabrication and x-ray calibration

Hideyuki Mori, Ryo Shibata, Yoshitomo Maeda, Kazutami Misaki, Yoshito Haba, Kei Itoh, Ryo Iizuka, Taijiro Morihisa, Hideyo Kunieda, Akira Hayakawa, Manabu Ishida

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461319

KEYWORDS: X-rays, Stray light, Aluminum, X-ray telescopes, Sensors, Space telescopes, Charge-coupled devices, Calibration, Dysprosium, X-ray optics

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Proceedings Article | 11 March 2003 Paper

Paper

X-ray characterization of Capillary System

Yoshito Haba, Ryo Iizuka, Akira Hayakawa, Kazutami Misaki, Ryo Shibata, Kei Itoh, Hideyuki Mori, Yoshitomo Maeda, Manabu Ishida, Hideyo Kunieda

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461325

KEYWORDS: X-rays, Capillaries, Sensors, X-ray optics, Electroluminescent displays, X-ray imaging, X-ray characterization, X-ray astronomy, X-ray detectors, Photons

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Proceedings Article | 11 March 2003 Paper

Paper

Error budgets for the image degradation of x-ray telescope onboard Astro-E2

Kazutami Misaki, Ryo Shibata, Yasuhiro Hidaka, Hideyo Kunieda, Manabu Ishida, Hirohiko Honda, Yoshitomo Maeda, Takao Endo, Kohsuke Imamura, Yoshito Haba, Kei Itoh, Hideyuki Mori, Ryo Iizuka, Akira Hayakawa, Taijiro Morihisa

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461355

KEYWORDS: Point spread functions, X-rays, Image quality, CCD image sensors, Sensors, Calibration, Surface roughness, X-ray telescopes, Mirrors, X-ray astronomy

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Proceedings Article | 11 March 2003 Paper

Paper

An x-ray calibration facility with a dynamical pencil beam for the post-Astro-E2 telescopes

Yoshitomo Maeda, Akiharu Itoh, Kei Itoh, Hideyo Kunieda, Yoshito Haba, Akira Hayakawa, Ryo Iizuka, Chiaki Inoue, Manabu Ishida, Kazutami Misaki, Hideyuki Mori, Ryo Shibata

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461338

KEYWORDS: X-rays, X-ray telescopes, Sensors, Collimators, Space telescopes, Telescopes, Mirrors, Calibration, X-ray detectors, Charge-coupled devices

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Proceedings Article | 11 March 2003 Paper

Paper

Development of supermirror hard x-ray telescope and the results of the first InFOCuS flight observation

Yasushi Ogasaka, Keisuke Tamura, Takashi Okajima, Yuzuru Tawara, Koujun Yamashita, Akihiro Furuzawa, Kazutoshi Haga, Satoshi Ichimaru, Seiji Takahashi, Shinichi Fukuda, Hideo Kito, Arifumi Goto, Seima Kato, Hiroyuki Satake, Ken'ichi Nomoto, Noriyuki Hamada, Peter Serlemitsos, Jack Tueller, Yang Soong, Kai-Wing Chan, Scott Owens, Fred Berendse, Hans Krimm, Wayne Baumgartner, Scott Barthelmy, Hideyo Kunieda, Kazutami Misaki, Ryo Shibata, Hideyuki Mori, Kei Itoh, Yoshiharu Namba

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461531

KEYWORDS: X-ray telescopes, Hard x-rays, Reflectors, Reflectivity, X-rays, Sensors, Space telescopes, Telescopes, Reflection, Mirrors

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Showing 5 of 11 publications

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