Dr. Hirokazu Kataza Profile

Dr. Hirokazu Kataza

Associate Professor at Institute of Space and Astronautical Science

SPIE Involvement:

Author

Publications (78)

Proceedings Article | 27 August 2024 Poster + Paper

Performance report of a substrate-removed InGaAs sensor for the JASMINE mission

Kohei Miyakawa, Shotaro Tada, Hirokazu Kataza, Ryouhei Kano, Takehiko Wada, Masanobu Ozaki, Takayuki Kotani, Hajime Kawahara, Fumihiko Usui, Yui Kasagi

Proceedings Volume 13103, 131031G (2024) https://doi.org/10.1117/12.3018195

KEYWORDS: Dark current, Indium gallium arsenide, Sensors, Quantum efficiency, Quantum sensors, Image sensors, Fluorescence

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Proceedings Article | 23 August 2024 Poster + Paper

Structural, thermal, and optical stability of the JASMINE telescope system

Naoki Isobe, Shingo Kashima, Yoshinori Suematsu, Naoteru Gouda, Ryohei Kano, Hirokazu Kataza, Hajime Kawahara, Naoki Kohara, Iona Kondo, Ichiro Mase, Ryou Ohsawa, Toshihiro Tsuzuki, Fumihiko Usui, Shin Utsunomiya, Takehiko Wada, Yoshiyuki Yamada, Taihei Yano, Aoi Takahashi, Tomoya Hattori, Koichi Takeda, Yukina Arima

Proceedings Volume 13092, 1309236 (2024) https://doi.org/10.1117/12.3017299

KEYWORDS: Telescopes, Thermal deformation, Mirrors, Distortion, Astrometry, Thermal stability, Near infrared

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Proceedings Article | 23 August 2024 Poster + Paper

Evaluation and verification plan for JASMINE telescope optics on the ground

Yoshinori Suematsu, Toshihiro Tsuzuki, Naoki Kohara, Naoki Isobe, Hirokazu Kataza, Shingo Kashima, Ryouhei Kano

Proceedings Volume 13092, 1309235 (2024) https://doi.org/10.1117/12.3016887

KEYWORDS: Telescopes, Mirrors, Optical alignment, Sensors, Optical testing, Wavefront errors, Optical fabrication, Distortion, Infrared cameras, Cameras

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Proceedings Article | 23 August 2024 Presentation + Paper

Conceptual design of the satellite payload for the JASMINE mission

Hirokazu Kataza, Ryouhei Kano, Naoteru Gouda, Masayuki Hirabayashi, Naoki Isobe, Takafumi Kamizuka, Shingo Kashima, Hajime Kawahara, Daisuke Kawata, Naoki Kohara, Iona Kondo, Ichiro Mase, Kohei Miyakawa, Ryou Ohsawa, Masanobu Ozaki, Risa Shimizu, Yoshinori Suematsu, Shotaro Tada, Toshihiro Tsuzuki, Fumihiro Uraguchi, Fumihiko Usui, Shin Utsunomiya, Takehiko Wada, Yoshiyuki Yamada, Taihei Yano

Proceedings Volume 13092, 130920A (2024) https://doi.org/10.1117/12.3018609

KEYWORDS: Stars, Telescopes, Sensors, Point spread functions, Astrometry, Error analysis, Distortion, Satellites, Design, Exoplanets

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Proceedings Article | 23 August 2024 Poster + Paper

JASMINE image simulator for high-precision astrometry and photometry

Takafumi Kamizuka, Hajime Kawahara, Ryou Ohsawa, Hirokazu Kataza, Daisuke Kawata, Yoshiyuki Yamada, Teruyuki Hirano, Kohei Miyakawa, Masataka Aizawa, Masashi Omiya, Taihei Yano, Ryouhei Kano, Takehiko Wada, Wolfgang Löffler, Michael Biermann, Pau Ramos, Naoki Isobe, Fumihiko Usui, Kohei Hattori, Satoshi Yoshioka, Takayuki Tatekawa, Hideyuki Izumiura, Akihiko Fukui, Makoto Miyoshi, Daisuke Tatsumi, Naoteru Gouda

Proceedings Volume 13099, 130992D (2024) https://doi.org/10.1117/12.3017770

KEYWORDS: Point spread functions, Astrometry, Telescopes, Stars, Device simulation, Sensors, Satellites, Photometry, Galactic astronomy, Distance measurement

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Proceedings Article | 29 August 2022 Poster + Paper

Development status of TAO/MIMIZUKU: performance test of the near-infrared channel

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kentaro Asano, Atsushi Nishimura, Kengo Tachibana, Tsubasa Michifuji, Hirokazu Iida, Akira Naruse, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Sunao Hasegawa, Fumihiko Usui, Naruhisa Takato, Noboru Ebizuka, Takuya Hosobata, Tsutomu Aoki, Mamoru Doi, Fumi Egusa, Bunyo Hatsukade, Natsuko Kato, Kotaro Kohno, Masahiro Konishi, Shintaro Koshida, Shuhei Koyama, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Mizuki Numata, Hiroaki Sameshima, Hidenori Takahashi, Yoichi Tamura, Toshihiko Tanabe, Masuo Tanaka, Kosuke Kushibiki, Nuo Chen, Shogo Homan, Yuzuru Yoshii

Proceedings Volume 12184, 121845J (2022) https://doi.org/10.1117/12.2628600

KEYWORDS: Near infrared, Imaging systems, Spectroscopy, Sensors, Mid-IR

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Proceedings Article | 18 December 2020 Poster + Presentation + Paper

Demonstration of five-layer phase-flat achromatic half-wave plate with anti-reflective structures and superconducting magnetic bearing for CMB polarization experiments

Kunimoto Komatsu, Hirokazu Ishino, Hirokazu Kataza, Kuniaki Konishi, Makoto Kuwata-Gonokami, Nobuhiko Katayama, Shinya Sugiyama, Tomotake Matsumura, Haruyuki Sakurai, Yuki Sakurai, Ryota Takaku, Junji Yumoto

Proceedings Volume 11453, 114534I (2020) https://doi.org/10.1117/12.2560486

KEYWORDS: Superconductors, Magnetism, Polarization, Phase shift keying, Modulation, Sapphire, Modulators, Wave plates, Signal detection, Sensors

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Proceedings Article | 13 December 2020 Presentation + Paper

LOTUS: wide-field monitoring nanosatellite for finding long-period transiting planets

Hajime Kawahara, Kento Masuda, Takayuki Kotani, Shotaro Tada, Hirokazu Kataza, Satoshi Ikari, Hiroki Aohama, Takayuki Hosonuma, Wataru Mikuriya, Masahiro Ikoma, Satoshi Kasahara, Shigeyuki Sako, Seiji Sugita, Eri Tatsumi, Kazuo Yoshioka

Proceedings Volume 11443, 1144316 (2020) https://doi.org/10.1117/12.2562266

KEYWORDS: Planets, Exoplanets, Cameras, Optical design, Sensors, Space operations, Point spread functions, Photometry, Cooling systems

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Proceedings Article | 13 December 2020 Poster + Paper

The University of Tokyo Atacama Observatory 6.5m telescope: On-sky performance evaluations of the mid-infrared instrument MIMIZUKU on the Subaru telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kentaro Asano, Masahito Uchiyama, Tomohiro Mori, Yutaka Yoshida, Kengo Tachibana, Tsubasa Michifuji, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Bunyo Hatsukade, Natsuko Kato, Kotaro Kohno, Masahiro Konishi, Takeo Minezaki, Tomoki Morokuma, Mizuki Numata, Kentaro Motohara, Hiroaki Sameshima, Takao Soyano, Hidenori Takahashi, Toshihiko Tanabé, Masuo Tanaka, Ken'ichi Tarusawa, Shintaro Koshida, Yoichi Tamura, Yasunori Terao, Kosuke Kushibiki, Hiroki Nakamura, Yuzuru Yoshii

Proceedings Volume 11447, 114475X (2020) https://doi.org/10.1117/12.2560789

KEYWORDS: Telescopes, Mid-IR, Observatories, Imaging spectroscopy, Spectroscopy, Spectroscopes, Imaging systems, Calibration, Spectroscopic atmospheric monitoring techniques, Absorption

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Proceedings Article | 12 July 2018 Paper

The key science drivers for MICHI: a thermal-infrared instrument for the TMT

Chris Packham, Mitsuhiko Honda, Mark Chun, Itsuki Sakon, Matthew Richter, Yoshiko Okamoto, Hirokazu Kataza, Christian Marois, Michael Meyer, Manoj Puravankara, Jayne Birkby, Ian Crossfield, Thayne Curry, Thomas Greathouse, Gregory Herczeg, Kohei Ichikawa, Hanae Inami, Masatoshi Imanishi, Enrique Lopez-Rodriguez

Proceedings Volume 10702, 10702A0 (2018) https://doi.org/10.1117/12.2313967

KEYWORDS: Exoplanets, Adaptive optics, Stars, Spectroscopy, Planets, James Webb Space Telescope, Galactic astronomy, Spatial resolution, Astronomy, Imaging systems

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Proceedings Article | 9 July 2018 Presentation + Paper

Design and development of a polarization modulator unit based on a continuous rotating half-wave plate for LiteBIRD

Yuki Sakurai, Tomotake Matsumura, Nobuhiko Katayama, Hiroaki Imada, Kunimoto Komatsu, Hiroaki Kanai, Ryota Takaku, Shinya Sugiyama, Tommaso Ghigna, Teruhito Iida, Hajime Sugai, Hiroyuki Ohsaki, Yutaka Terao, Toshiki Shimomura, Kuniaki Konishi, Haruyuki Sakurai, Junji Yumoyo, Muneyoshi Maki, Junichi Suzuki, Hirokazu Ishino, Shogo Nakamura, Akito Kusaka, Charles Hill, Masashi Hazumi, Hirokazu Kataza, Shin Utsunomiya, Ryo Yamamoto, Makoto Tashiro, Yukikatsu Terada

Proceedings Volume 10708, 107080E (2018) https://doi.org/10.1117/12.2312391

KEYWORDS: Polarization, Sapphire, Cryogenics, Modulation, Prototyping, Magnetism, Superconductors, Sensors, Transmittance, Satellites

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Proceedings Article | 6 July 2018 Paper

Laboratory performance evaluation of the mid-infrared camera and spectrograph MIMIZUKU for the TAO 6.5-m telescope

Takafumi Kamizuka, Masahito Uchiyama, Jumpei Yamaguchi, Tomohiro Mori, Ryou Ohsawa, Yutaka Yoshida, Shigeyuki Sako, Takashi Miyata, Kentaro Asano, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Bunyo Hatsukade, Natsuko Kato, Kotaro Kohno, Masahiro Konishi, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Takao Soyano, Hidenori Takahashi, Toshihiko Tanabe, Masuo Tanaka, Ken'ichi Tarusawa, Yoichi Tamura, Shintaro Koshida, Yasunori Terao, Hirofumi Ohashi, Yukihiro Kono, Kosuke Kushibiki, Yuzuru Yoshii

Proceedings Volume 10702, 107022H (2018) https://doi.org/10.1117/12.2312443

KEYWORDS: Sensors, Mid-IR, Astronomy, Cameras, Spectrographs, Quantum efficiency, Spectroscopy

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Proceedings Article | 13 April 2018 Paper

Telescope system of the Space Infrared telescope for cosmology and astrophysics (SPICA) mission

Takashi Onaka, Takao Nakagawa, Toshio Matsumoto, Hiroshi Murakami, Hideo Matsuhara, Hirokazu Kataza, Hidehiro Kaneda, Keigo Enya, Yukari Yui, Motohide Tamura

Proceedings Volume 10568, 105682B (2018) https://doi.org/10.1117/12.2500106

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Proceedings Article | 20 November 2017 Open Access

Free-form reflective optics for mid-infrared camera and spectrometer on board SPICA

Naofumi Fujishiro, Hirokazu Kataza, Takehiko Wada, Yuji Ikeda, Itsuki Sakon, Shinki Oyabu

Proceedings Volume 10564, 105640G (2017) https://doi.org/10.1117/12.2309046

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Proceedings Article | 9 August 2016 Paper

Development status of the mid-infrared two-field camera and spectrograph MIMIZUKU for the TAO 6.5-m Telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kazushi Okada, Masahito Uchiyama, Kiyoshi Mori, Jumpei Yamaguchi, Kentaro Asano, Mizuho Uchiyama, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Sunao Hasegawa, Fumihiko Usui, Naruhisa Takato, Tsutomu Aoki, Mamoru Doi, Natsuko Kato, Yutaro Kitagawa, Yutaka Kobayakawa, Kotaro Kohno, Masahiro Konishi, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Hirofumi Ohashi, Takao Soyano, Hidenori Takahashi, Yoichi Tamura, Toshihiko Tanabé, Masuo Tanaka, Ken'ichi Tarusawa, Yasunori Terao, Yuzuru Yoshii

Proceedings Volume 9908, 99083W (2016) https://doi.org/10.1117/12.2231565

KEYWORDS: Sensors, Mid-IR, Telescopes, Cryogenics, Near infrared, Mirrors, Spectroscopy, Space telescopes, Calibration, Point spread functions

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Proceedings Article | 22 July 2016 Paper

Development of superconducting voice coil motor of a cold chopper for MICHI

Kiyoshi Mori, Takashi Miyata, Mitsuhiko Honda, Takafumi Kamizuka, Hidenori Takahashi, Shigeyuki Sako, Ryou Ohsawa, Kazushi Okada, Masahito Uchiyama, Hirokazu Kataza, Hiroyuki Ohsaki, Takashi Hiroe, Chris Packham

Proceedings Volume 9912, 991218 (2016) https://doi.org/10.1117/12.2231889

KEYWORDS: Superconductors, Magnetism, Mid-IR, Mirrors, Telescopes, Actuators, Temperature metrology, Cryogenics, Prototyping, Astronomy

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Proceedings Article | 22 July 2016 Paper

A trial production of a large format image slicer unit for a possible future mid-infrared instrument on the TMT

Itsuki Sakon, Yuji Ikeda, Hiroyuki Nakagawa, Hitoshi Tokoro, Mitsuhiko Honda, Yoshiko Okamoto, Hirokazu Kataza, Takashi Onaka, Mark Chun, Matthew Richter, Christopher Packham

Proceedings Volume 9912, 99125T (2016) https://doi.org/10.1117/12.2232781

KEYWORDS: Mirrors, Mid-IR, Aluminum, Astronomy, Silicates, Stars, Carbon, Infrared radiation, Spherical lenses, Radium

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Proceedings Article | 12 September 2014 Paper

A monolithic deformable mirror with latchable mechanical actuation (LATCHAMAN) for space-borne telescopes

Keigo Enya, Hirokazu Kataza, Mitsuhiro Fukushima, Kenji Mitsui, Norio Okada, Hikaru Iwashita, Kanae Haze, Aoi Takahashi, Takayuki Kotani, Tomoyasu Yamamuro, Hitomi Kobayashi

Proceedings Volume 9219, 92190P (2014) https://doi.org/10.1117/12.2075454

KEYWORDS: Mirrors, Space telescopes, Telescopes, Exoplanets, Prototyping, Stars, Wavefronts, Aluminum, Infrared telescopes, Deformable mirrors

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Proceedings Article | 28 August 2014 Paper

Precision pointing control for SPICA: risk mitigation phase study

Shinji Mitani, Yasuhiro Kawakatsu, Shin-ichiro Sakai, Naomi Murakami, Toshihiko Yamawaki, Tadahito Mizutani, Keiji Komatsu, Hirokazu Kataza, Keigo Enya, Takao Nakagawa

Proceedings Volume 9143, 914347 (2014) https://doi.org/10.1117/12.2055864

KEYWORDS: Optical isolators, Space telescopes, Cryocoolers, Mirrors, Cryogenics, Temperature metrology, Telescopes, Finite element methods, Sensors, Astronomy

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Proceedings Article | 2 August 2014 Paper

A trial production of the image slicer unit for next generation infrared instruments and the assembly of the evaluation system of the pseudo slit image quality

Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Yoshiko Okamoto, Mitsuhiko Honda, Hitoshi Tokoro, Naofumi Fujishiro, Yuji Ikeda, Hiroyuki Nakagawa, Okiharu Kirino, Kenji Mitsui, Norio Okada

Proceedings Volume 9143, 91434U (2014) https://doi.org/10.1117/12.2057341

KEYWORDS: Mirrors, Infrared radiation, Image quality, Infrared imaging, Image filtering, Optical filters, Laser imaging, Assembly equipment, Black bodies, Spectroscopes

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Proceedings Article | 18 July 2014 Paper

Restraint deformation and corrosion protection of gold deposited aluminum mirrors for cold optics of mid-infrared instruments

Mizuho Uchiyama, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Kentaro Asano, Kazushi Okada, Takashi Onaka, Itsuki Sakon, Hirokazu Kataza, Yuki Sarugaku, Okiharu Kirino, Hiroyuki Nakagawa, Norio Okada, Kenji Mitsui

Proceedings Volume 9151, 915143 (2014) https://doi.org/10.1117/12.2054917

KEYWORDS: Mirrors, Aluminum, Corrosion, Gold, Mid-IR, Temperature metrology, Reflectivity, Photovoltaics, Coating, Astronomy

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Proceedings Article | 8 July 2014 Paper

Revised specifications and current development status of MIMIZUKU: the mid-infrared instrument for the TAO 6.5-m telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Ryou Ohsawa, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Masahito Uchiyama, Tomohiko Nakamura, Itsuki Sakon, Takashi Onaka, Hirokazu Kataza, Tsutomu Aoki, Mamoru Doi, Natsuko Kato, Kimiaki Kawara, Yutaro Kitagawa, Kotaro Kohno, Masahiro Konishi, Shintaro Koshida, Takeo Minezaki, Tomoki Morokuma, Kentaro Motohara, Takao Soyano, Hidenori Takahashi, Yoichi Tamura, Toshihiko Tanabé, Masuo Tanaka, Ken'ichi Tarusawa, Ken Tateuchi, Soya Todo, Yuzuru Yoshii

Proceedings Volume 9147, 91473C (2014) https://doi.org/10.1117/12.2056184

KEYWORDS: Telescopes, Cameras, Mid-IR, Sensors, Mirrors, Near infrared, Spectroscopy, Space telescopes, Stars, Calibration

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Proceedings Article | 26 September 2013 Paper

A design and trial production of the image slicer unit for the mid-infrared spectrograph

Itsuki Sakon, Hirokazu Kataza, Takashi Onaka, Naofumi Fujishiro, Yuji Ikeda, Hitoshi Tokoro, Hiroyuki Nakagawa, Okiharu Kirino, Kenji Mitsui, Norio Okada

Proceedings Volume 8860, 88600Z (2013) https://doi.org/10.1117/12.2024746

KEYWORDS: Mirrors, Spectrographs, Mid-IR, Aluminum, Infrared telescopes, Optical components, Infrared imaging, Infrared radiation, Radium, Product engineering

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Proceedings Article | 24 September 2012 Paper

Development of MIMIZUKU: a mid-infrared multi-field imager for 6.5-m TAO telescope

Takafumi Kamizuka, Takashi Miyata, Shigeyuki Sako, Tomohiko Nakamura, Kentaro Asano, Mizuho Uchiyama, Kazushi Okada, Takashi Onaka, Itsuki Sakon, Hirokazu Kataza, Yuki Sarugaku, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Kentaro Motohara, Toshihiko Tanabe, Takeo Minezaki, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Natsuko Kato, Masahiro Konishi, Hidenori Takahashi, Shintaro Koshida, Ken Tateuchi, Toshihiro Handa

Proceedings Volume 8446, 84466P (2012) https://doi.org/10.1117/12.926771

KEYWORDS: Mirrors, Sensors, Telescopes, Near infrared, Imaging systems, Mid-IR, Cryogenics, Astronomy, Spectroscopy, Space telescopes

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Proceedings Article | 24 September 2012 Paper

Key science drivers for MICHI: a mid-IR instrument concept for the TMT

Chris Packham, M. Honda, M. Richter, Y. Okamoto, H. Kataza, T. Onaka, T. Fujiyoshi, A. Tokunaga, M. Chun, A. Alonso-Herrero, J. Carr, M. Chiba, K Enya, H. Fujiwara, P Gandhi, M. Imanishi, K. Ichikawa, Y. Ita, N. Kawakatsu, T. Kotani, N. Levenson, T. Matsuo, M. Matsuura, T. Minezaki, J. Najita, N. Oi, T. Ootsubo, I. Sakon, M. Takami, C. Telesco, C. Wright, T. Yamashita

Proceedings Volume 8446, 84467G (2012) https://doi.org/10.1117/12.924996

KEYWORDS: Stars, Planets, Galactic astronomy, Spatial resolution, Telescopes, Spectroscopy, James Webb Space Telescope, Adaptive optics, Spectral resolution, Thirty Meter Telescope

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Proceedings Article | 24 September 2012 Paper

Perfomance verification of the ground-based mid-infrared camera MAX38 on the MiniTAO Telescope

Kentaro Asano, Takashi Miyata, Shigeyuki Sako, Takafumi Kamizuka, Tomohiko Nakamura, Mizuho Uchiyama, Mizuki Yoneda, Hirokazu Kataza, Yuzuru Yoshii, Mamoru Doi, Kotaro Kohno, Kimiaki Kawara, Masuo Tanaka, Kentaro Motohara, Toshihiko Tanabe, Takeo Minezaki, Tomoki Morokuma, Yoichi Tamura, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Natsuko Kato, Masahiro Konishi, Shintaro Koshida, Hidenori Takahashi, Toshihiro Handa, Ken Tateuchi

Proceedings Volume 8446, 844634 (2012) https://doi.org/10.1117/12.925590

KEYWORDS: Stars, Telescopes, Mid-IR, Astronomy, Spatial resolution, Point spread functions, Cameras, Diffraction, Asteroids, Space telescopes

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