Dr. Hirohisa Nagata Profile

Dr. Hirohisa Nagata

Postoctoral Fellow at Japan Aerospace Exploration Agency

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Author

Publications (10)

Proceedings Article | 5 November 2010 Paper

The cryogenic readout system with GaAs JFETs for multi-pixel cameras

Y. Hibi, H. Matsuo, H. Nagata, H. Ikeda, M. Fujiwara

Proceedings Volume 7854, 78541Z (2010) https://doi.org/10.1117/12.870726

KEYWORDS: Cryogenics, Field effect transistors, Amplifiers, Multiplexers, Gallium arsenide, Sensors, Cameras, Imaging systems, Superconductors, Electronics

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Proceedings Article | 15 July 2010 Paper

SISCAM 32-ch cryogenic readout module with GaAs-JFET ASICs

Hiroshi Matsuo, Yasunori Hibi, Hirohisa Nagata, Hirokazu Ikeda, Mikio Fujiwara

Proceedings Volume 7741, 77412V (2010) https://doi.org/10.1117/12.858070

KEYWORDS: Amplifiers, Cryogenics, Sensors, Multiplexers, Photodetectors, Electronics, Integrated circuits, Field effect transistors, Superconductors

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Proceedings Article | 21 July 2008 Paper

Development of a cryogenic GaAs AC-coupled CTIA readout for far-infrared and submillimeter detectors

Hirohisa Nagata, Jun Kobayashi, Hiroshi Matsuo, Yasunori Hibi, Misato Nakahashi, Hirokazu Ikeda, Mikio Fujiwara

Proceedings Volume 7020, 70202Q (2008) https://doi.org/10.1117/12.790207

KEYWORDS: Amplifiers, Sensors, Multiplexers, Field effect transistors, Cryogenics, Photodetectors, Readout integrated circuits, Cameras, Resistors, Capacitors

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Proceedings Article | 19 July 2008 Paper

System design of submillimeter-wave imaging array SISCAM

H. Matsuo, Y. Hibi, H. Nagata, M. Nakahashi, Y. Murakoshi, H. Arai, S. Ariyoshi, C. Otani, H. Ikeda, M. Fujiwara

Proceedings Volume 7020, 702015 (2008) https://doi.org/10.1117/12.790615

KEYWORDS: Sensors, Electronics, Staring arrays, Cryogenics, Superconductors, Photodetectors, Imaging arrays, Amplifiers, Optical design, Digital electronics

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Proceedings Article | 27 June 2006 Paper

Progress on GaAs cryogenic readout circuits for SISCAM

H. Nagata, J. Kobayashi, H. Matsuo, M. Fujiwara

Proceedings Volume 6275, 627527 (2006) https://doi.org/10.1117/12.670966

KEYWORDS: Field effect transistors, Gallium arsenide, Amplifiers, Cryogenics, Optical amplifiers, Sensors, Temperature metrology, Readout integrated circuits, Capacitors, Resistance

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Proceedings Article | 27 June 2006 Paper

Performance of SIS photon detectors for superconductive imaging submillimeter-wave camera (SISCAM)

H. Matsuo, H. Nagata, Y. Mori, J. Kobayashi, T. Okaniwa, T. Yamakura, C. Otani, S. Ariyoshi

Proceedings Volume 6275, 627504 (2006) https://doi.org/10.1117/12.672800

KEYWORDS: Photodetectors, Sensors, Bolometers, Superconductors, Electronics, Staring arrays, Detector development, Telescopes, Magnetism, Cameras

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Proceedings Article | 8 October 2004 Paper

Design of wide-field submillimeter-wave camera using SIS photon detectors

Hiroshi Matsuo, Seiichiro Ariyoshi, Chiko Otani, Hajime Ezawa, Jun Kobayashi, Yuko Mori, Hirohisa Nagata, Hirohiko Shimizu, Mikio Fujiwara, Makoto Akiba, Iwao Hosako

Proceedings Volume 5498, (2004) https://doi.org/10.1117/12.552550

KEYWORDS: Sensors, Photodetectors, Bolometers, Sapphire, Cryogenics, Cameras, Superconductors, Antennas, Staring arrays, Electronics

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Proceedings Article | 5 March 2003 Paper

Performance of cryogenic preamplifiers for ASTRO-F far-infrared detectors

Yasushi Hibi, Takanori Hirao, Toyoki Watabe, Hirohisa Nagata, Manabu Noda, Mitsunobu Kawada, Takao Nakagawa, Hiroshi Shibai

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461758

KEYWORDS: Amplifiers, Sensors, Field effect transistors, Cryogenics, Detector arrays, Satellites, Transistors, Infrared telescopes, Capacitors, Infrared astronomy

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Proceedings Article | 28 July 2000 Paper

FIS: far-infrared surveyor on board ASTRO-F (IRIS)

Hidenori Takahashi, Hiroshi Shibai, Mitsunobu Kawada, Takanori Hirao, Toyoki Watabe, Yasushi Tsuduku, Hirohisa Nagata, Hiroshi Utsuno, Yasushi Hibi, Shinya Hirooka, Takao Nakagawa, Hidehiro Kaneda, Shuji Matsuura, Tsuneo Kii, Shin'ichiro Makiuti, Yoshihiko Okamura, Yasuo Doi, Hiroshi Matsuo, Norihisa Hiromoto, Mikio Fujiwara, Manabu Noda

Proceedings Volume 4013, (2000) https://doi.org/10.1117/12.393984

KEYWORDS: Sensors, Spectroscopy, Mirrors, Satellites, Detector arrays, Optical filters, Linear filtering, Scanners, Telescopes, IRIS Consortium

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Proceedings Article | 21 August 1998 Paper

Evaluation of charge-integrating amplifier with silicon MOSFETs for cryogenic readout

Manabu Noda, Hiroshi Shibai, Toyoki Watabe, Takanori Hirao, Hiroyuki Yoda, Hirohisa Nagata, Takao Nakagawa, Mitsunobu Kawada

Proceedings Volume 3354, (1998) https://doi.org/10.1117/12.317306

KEYWORDS: Field effect transistors, Cryogenics, Silicon, Amplifiers, Electronics, Sensors, Helium, Infrared imaging, Liquids, Low-intensity laser therapy

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Showing 5 of 10 publications

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