Yutaka Hasegawa

ハセガワユタカ | Yutaka Hasegawa

Affiliation and department：
Job title： Senior Researcher

Research field (1)： Astronomy

Research keywords (4)： Quadruple-Ridged Antenna , Waveguide , Receiver system , Radio Astronomy

Research theme for competitive and other funds (3)：

2023 - 2027 Search for dark matter using millimeter-wave spectroscopy with superconducting devices
2017 - 2019 Development of 275-500 GHz super-wideband waveguide Ortho-Mode Transducer
2015 - 2017 帯域分離フィルターを用いた新 2SB-Mixer の開発

Papers (39)：

Kazunori Akiyama, Antxon Alberdi, Walter Alef, Juan Carlos Algaba, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach, Anne-Kathrin Baczko, David Ball, et al. The persistent shadow of the supermassive black hole of M 87. Astronomy & Astrophysics. 2024. 681. A79-A79
Ru-Sen Lu, Keiichi Asada, Thomas P. Krichbaum, Jongho Park, Fumie Tazaki, Hung-Yi Pu, Masanori Nakamura, Andrei Lobanov, Kazuhiro Hada, Kazunori Akiyama, et al. A ring-like accretion structure in M87 connecting its black hole and jet. Nature. 2023. 616. 7958. 686-690
Masato Tsuboi, Yutaka Hasegawa, Go Tabuchi, Yasuhiro Murata, Koji Yuchi, Tomoaki Toda, Takashi Uchimura, Kimihiro Kimura, Takashi Kasuga. Ka-band cryogenic low-noise receiver of the Misasa 54 m antenna for deep-space communications and radio astronomy. Publications of the Astronomical Society of Japan. 2023. 75. 3. 567-583
Yasumasa Yamasaki, Yutaka Hasegawa, Sho Yoneyama, Sana Kawashita, Tsubasa Chinen, Sho Masui, Chiaki Nosohara, Heyang Sun, Shuto Dakie, Akira Kameyama, et al. Development of seven-beam optics using dielectric lenses for a new 72-116 GHz receiver in the Nobeyama 45 m telescope. Publications of the Astronomical Society of Japan. 2023
Sho Masui, Yutaka Hasegawa, Hideo Ogawa, Takafumi Kojima, Toshikazu Onishi. 210-365 GHz 90° Differential Phase Shifter for Wideband Circular Polarizer. IEEE Transactions on Terahertz Science and Technology. 2022

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MISC (8)：

村田泰宏, 沼田健二, 内村孝志, 大西徹, 木村公洋, 田渕豪, 坪井昌人, 戸田知朗, 冨木淳史, 中原聡美, et al. JAXA深宇宙探査用54m地上局の完成. 日本天文学会年会講演予稿集. 2021. 2021
Akihiro Doi, Yusuke Kono, Kimihiro Kimura, Satomi Nakahara, Tomoaki Oyama, Nozomi Okada, Yasutaka Satou, Kazuyoshi Yamashita, Naoko Matsumoto, Mitsuhisa Baba, et al. A balloon-borne very long baseline interferometry experiment in the stratosphere: Systems design and developments (vol 63, pg 779, 2019). ADVANCES IN SPACE RESEARCH. 2020. 66. 3. 751-752
植松明久, 岡田望, 垣見征孝, 西堀俊幸, 石田智大, 前澤裕之, 長谷川豊, 中川真秀, 山田崇貴, 佐藤滋, et al. Antenna Quasioptics on the Teraheltz Sensing System on Ultra-Small Satellite-Development of 480 GHz corrugated horn and waveguide. 宇宙科学技術連合講演会講演集(CD-ROM). 2020. 64th
笠井康子, 中川真秀, 山田崇貴, 佐藤滋, 植松明久, 岡田望, 垣見征孝, 西堀俊幸, 石田智大, 前澤裕之, et al. The Plan of the Teraheltz Sensing System-Toward New Space-. 宇宙科学技術連合講演会講演集(CD-ROM). 2020. 64th
村田泰宏, 沼田健二, 内村孝志, 大西徹, 木村公洋, 田渕豪, 坪井昌人, 戸田知朗, 冨木淳史, 中原聡美, et al. JAXA深宇宙探査用54mアンテナ開発の現状(その3). 日本天文学会年会講演予稿集. 2020. 2020

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Patents (2)：

Professional career (1)：

Work history (6)：

2024/04 - 現在 National Institute of Information and Communications Technology Terahertz Technology Research Center Senior Researcher
2022/04 - 2024/03 大阪公立大学大学院理学研究科電波天文学研究室特任研究員
2020/04 - 2022/03 大阪府立大学大学院理学系研究科宇宙物理学研究室非常勤研究員
2017/04 - 2020/03 Japan Aerospace Exploration Agency Institute of Space and Astronautical Science Aerospace Project Research Associate
2015/04 - 2017/03 日本学術振興会 ( JSPS ) 特別研究員 DC1

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Awards (2)：

2023/11 - S-Booster2023 Sky-Perfect J-SAT Award Construction of WSaaS based on Weather Satellites
2019/11 - Breakthrough Prize Foundation 2020 BREAKTHROUGH PRIZE IN FUNDAMENTAL PHYSICS The Event Horizon Telescope Collaboration

Association Membership(s) (1)：

THE ASTRONOMICAL SOCIETY OF JAPAN

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