Koichi Nagase

Transmittance measurement of low/high-resistivity of CdZnTe at cryogenic temperature for material selection of the immersion grating of SPICA SMI

Hiroshi Maeshima, Kosei Matsumoto, Yasuhiro Hirahara, Takao Nakagawa, Takehiko Wada, Koichi Nagase, Shinki Oyabu, Toyoaki Suzuki, Takuma Kokusho, Hidehiro Kaneda, Ryota Ito, Daichi Ishikawa

Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, Dec 13, 2020

SPICA Mid-infrared Instrument (SMI): The latest design and specifications

Takehiko Wada, Hidehiro Kaneda, Takuma Kokusho, Toyoaki Suzuki, Kumiko Morihana, Takurou Tsuchikawa, Yuki Kuroda, Daichi Ishikawa, Shinki Oyabu, Naoki Isobe, Daisuke Ishihara, Hideo Matsuhara, Koichi Nagase, Takao Nakagawa, Takafumi Ootsubo, Mitsuyoshi Yamagishi, Hiroshi Maeshima, Shunsuke Onishi, Kosei Matsumoto, Satoshi Itoh, Mizuho Uchiyama, Ryan Lau, Hiromichi Ebihara, Hanae Inami, Koji Kawabata, Yasumasa Kasaba, Takeshi Sakanoi, Yoshifusa Ita, Masayuki Akiyama, Itsuki Sakon, Takafumi Kamizuka, Takashi Miyata, Kohji Tsumura, Masato Naruse, Youichi Ohyama, Shiang Yu Wang, Hiroshi Shibai

Proceedings of SPIE - The International Society for Optical Engineering, 11443, 2020

SPICA mid-infrared instrument (SMI): conceptual design and feasibility studies

Hidehiro Kaneda, Daisuke Ishihara, Shinki Oyabu, Misato Fukagawa, Takuma Kokusho, Toyoaki Suzuki, Takuya Furuta, Takurou Tsuchikawa, Takehiko Wada, Naoki Isobe, Mitsunobu Kawada, Jungmi Kwon, Hideo Matsuhara, Koichi Nagase, Takao Nakagawa, Takafumi Ootsubo, Mitsuyoshi Yamagishi, Itsuki Sakon, Kohji Tsumura, Hiroshi Shibai

Proceedings of the SPIE, 10698 106980C, Jul, 2018

Organized Autotelescopes for Serendipitous Event Survey (OASES): Design and performance

Ko Arimatsu, Kohji Tsumura, Kohei Ichikawa, Fumihiko Usui, Takafumi Ootsubo, Takayuki Kotani, Yuki Sarugaku, Takehiko Wada, Koichi Nagase, Jun-ichi Watanabe

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 69(4), Aug, 2017

EVALUATION OF FAR-INFRARED BIB-TYPE GE DETECTORS FABRICATED WITH THE SURFACE-ACTIVATED WAFER BONDING TECHNOLOGY

Misaki Hanaoka, Hidehiro Kaneda, Shinki Oyabu, Yasuki Hattori, Kotomi Tanaka, Sota Ukai, Kazuyuki Shichi, Takehiko Wada, Toyoaki Suzuki, Kentaroh Watanabe, Koichi Nagase, Shunsuke Baba, Chihiro Kochi

Publications of The Korean Astronomical Society, 32(1) 351-353, Mar 31, 2017

A Demonstration of TIA Using FD-SOI CMOS OPAMP for Far-Infrared Astronomy

Koichi Nagase, Takehiko Wada, Hirokazu Ikeda, Yasuo Arai, Morifumi Ohno, Misaki Hanaoka, Hidehiro Kanada, Shinki Oyabu, Yasuki Hattori, Sota Ukai, Toyoaki Suzuki, Kentaroh Watanabe, Shunsuke Baba, Chihiro Kochi, Keita Yamamoto

JOURNAL OF LOW TEMPERATURE PHYSICS, 184(1-2) 449-453, Jul, 2016 Peer-reviewed

Development of Blocked-Impurity-Band-Type Ge Detectors Fabricated with the Surface-Activated Wafer Bonding Method for Far-Infrared Astronomy

Hanaoka, M., Kaneda, H., Oyabu, S., Yamagishi, M., Hattori, Y., Ukai, S., Shichi, K., Wada, T., Suzuki, T., Watanabe, K., Nagase, K., Baba, S., Kochi, C.

Journal of Low Temperature Physics, 184(1-2) 225-230, 2016 Peer-reviewed

Development for Germanium Blocked Impurity Band Far-Infrared Image Sensors with Fully-Depleted Silicon-On-Insulator CMOS Readout Integrated Circuit

Wada, T., Arai, Y., Baba, S., Hanaoka, M., Hattori, Y., Ikeda, H., Kaneda, H., Kochi, C., Miyachi, A., Nagase, K., Nakaya, H., Ohno, M., Oyabu, S., Suzuki, T., Ukai, S., Watanabe, K., Yamamoto, K.

Journal of Low Temperature Physics, 184(1-2) 217-224, 2016 Peer-reviewed

Development of Cryogenic Readout Electronics for Far-Infrared Astronomical Focal Plane Array

Hirohisa Nagata, Takehiko Wada, Hirokazu Ikeda, Yasuo Arai, Morifumi Ohno, Koichi Nagase

IEICE TRANSACTIONS ON COMMUNICATIONS, E94B(11) 2952-2960, Nov, 2011 Peer-reviewed

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