Dr. Yoshinori Uzawa Profile

Dr. Yoshinori Uzawa

at National Astronomical Observatory of Japan

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 2 September 2022 Presentation + Paper

ALMA Band-1 (35-50GHz) receiver: first light, performance, and road to completion

Yau-De Huang, Yuh-Jing Hwang, Chau-Ching Chiong, Hsi-Wei Yen, Patrick Michel Koch, Chi-Den Huang, Bill Liu, Cheng Lin Chen, Jwu Jiun Tsai, Wei-Ling Hsiung, Li-Pin Chi, Chin-Ting Ho, Chao-Chin Wang, Chen Chien, You-Hua Chu, Paul Ho, Francisca Kemper, Oscar Morata, Alvaro Gonzalez, Satoru Iguchi, Yoshi Uzawa, Daisuke Iono, Hiroshi Nagai, John Effland, Kamaljeet Saini, Marian Pospieszalski, Doug Henke, Keith Yeung, Ricardo Finger, Valeria Tapia, Nicolas Reyes, Giorgio Siringo, Gianni Marconi, Rodrigo Cabezas

Proceedings Volume 12190, 121900K (2022) https://doi.org/10.1117/12.2629766

KEYWORDS: Receivers, Optical amplifiers, Radio astronomy, Antennas, Astronomy, Observatories, Cryogenics, Simulation of CCA and DLA aggregates, Roads, Galactic astronomy

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SPIE Journal Paper | 23 June 2022

Digital calibration test results for Atacama Large Millimeter/submillimeter Array band 7+8 sideband separating receiver

Franco Curotto, Ricardo Finger, Takafumi Kojima, Kazunori Uemizu, Álvaro González, Yoshinori Uzawa, Leonardo Bronfman

JATIS, Vol. 8, Issue 02, 024004, (June 2022) https://doi.org/10.1117/12.10.1117/1.JATIS.8.2.024004

KEYWORDS: Calibration, Receivers, Field programmable gate arrays, Astronomy, Analog electronics, Signal processing, Phase measurement, Double sideband modulation, Dynamical systems, Waveguides

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Proceedings Article | 13 December 2020 Presentation + Paper

Wideband technology development to increase the RF and instantaneous bandwidth of ALMA receivers

Takafumi Kojima, Kazunori Uemizu, Hitoshi Kiuchi, Tomonori Tamura, Keiko Kaneko, Ryo Sakai, Akihira Miyachi, Wenlei Shan, Yoshinori Uzawa, Alvaro Gonzalez, Matthias Kroug, Takeshi Sakai

Proceedings Volume 11453, 114530P (2020) https://doi.org/10.1117/12.2561240

KEYWORDS: Receivers, Radio frequency circuits, Astronomy, Observatories, Heterodyning, Waveguides

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Proceedings Article | 13 December 2020 Poster + Paper

Design of all-in-one 2SB mixer for ALMA band 10

Yasunori Fujii, Takafumi Kojima, Matthias Kroug, Yoshinori Uzawa

Proceedings Volume 11453, 114533Y (2020) https://doi.org/10.1117/12.2562032

KEYWORDS: Waveguides, Oscillators, Electromagnetic simulation, Interfaces

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Proceedings Article | 13 December 2020 Presentation + Paper

An SIS-mixer-based amplifier for multi-pixel heterodyne receivers

Yoshinori Uzawa, Takafumi Kojima, Yuto Kozuki, Yasunori Fujii, Akihira Miyachi, Tomonori Tamura, Shohei Ezaki, Wenlei Shan

Proceedings Volume 11453, 114530Q (2020) https://doi.org/10.1117/12.2563183

KEYWORDS: Amplifiers, Heterodyning, Receivers, Microwave radiation, Cryogenics, Frequency conversion

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Proceedings Article | 13 December 2020 Poster + Paper

Development of receiver optics for ALMA bands 1 and 2, and possible synergies with ngVLA

Álvaro González, Keiko Kaneko, Ryo Sakai, Takafumi Kojima, Yoshinori Uzawa

Proceedings Volume 11453, 114533S (2020) https://doi.org/10.1117/12.2561595

KEYWORDS: Receivers, Waveguides, Plastic lenses, Additive manufacturing, 3D printing, Astronomy, Observatories, Product engineering, Astronomical imaging, Optical fabrication equipment

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Proceedings Article | 13 December 2020 Poster + Paper

Status of the East Asia ALMA development program: Towards the implementation of the ALMA development roadmap

Álvaro González, Takafumi Kojima, Wenlei Shan, Hitoshi Kiuchi, Yoshinori Uzawa, Daisuke Iono, George Kosugi

Proceedings Volume 11445, 1144538 (2020) https://doi.org/10.1117/12.2561603

KEYWORDS: Receivers, Telescopes, Antennas, Spectroscopy, Calibration, Software development, Superconductors, Integrated circuit design, Integrated circuits

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Proceedings Article | 29 July 2016 Paper

LiteBIRD: lite satellite for the study of B-mode polarization and inflation from cosmic microwave background radiation detection

H. Ishino, Y. Akiba, K. Arnold, D. Barron, J. Borrill, R. Chendra, Y. Chinone, S. Cho, A. Cukierman, T. de Haan, M. Dobbs, A. Dominjon, T. Dotani, T. Elleflot, J. Errard, T. Fujino, H. Fuke, T. Funaki, N. Goeckner-Wald, N. Halverson, P. Harvey, T. Hasebe, M. Hasegawa, K. Hattori, M. Hattori, M. Hazumi, N. Hidehira, C. Hill, G. Hilton, W. Holzapfel, Y. Hori, J. Hubmayr, K. Ichiki, H. Imada, J. Inatani, M. Inoue, Y. Inoue, F. Irie, K. Irwin, H. Ishitsuka, O. Jeong, H. Kanai, K. Karatsu, S. Kashima, N. Katayama, I. Kawano, T. Kawasaki, B. Keating, S. Kernasovskiy, R. Keskitalo, A. Kibayashi, Y. Kida, N. Kimura, K. Kimura, T. Kisner, K. Kohri, E. Komatsu, K. Komatsu, C.-L. Kuo, S. Kuromiya, A. Kusaka, A. Lee, D. Li, E. Linder, M. Maki, H. Matsuhara, T. Matsumura, S. Matsuoka, S. Matsuura, S. Mima, Y. Minami, K. Mitsuda, M. Nagai, T. Nagasaki, R. Nagata, M. Nakajima, S. Nakamura, T. Namikawa, M. Naruse, T. Nishibori, K. Nishijo, H. Nishino, A. Noda, T. Noguchi, H. Ogawa, W. Ogburn, S. Oguri, I. Ohta, N. Okada, A. Okamoto, T. Okamura, C. Otani, G. Pisano, G. Rebeiz, P. Richards, S. Sakai, Y. Sakurai, Y. Sato, N. Sato, Y. Segawa, S. Sekiguchi, Y. Sekimoto, M. Sekine, U. Seljak, B. Sherwin, T. Shimizu, K. Shinozaki, S. Shu, R. Stompor, H. Sugai, H. Sugita, J. Suzuki, T. Suzuki, A. Suzuki, O. Tajima, S. Takada, S. Takakura, K. Takano, S. Takatori, Y. Takei, D. Tanabe, T. Tomaru, N. Tomita, P. Turin, S. Uozumi, S. Utsunomiya, Y. Uzawa, T. Wada, H. Watanabe, B. Westbrook, N. Whitehorn, Y. Yamada, R. Yamamoto, N. Yamasaki, T. Yamashita, T. Yoshida, M. Yoshida, K. Yotsumoto

Proceedings Volume 9904, 99040X (2016) https://doi.org/10.1117/12.2231995

KEYWORDS: Telescopes, Satellites, Microwave radiation, Polarization, Sensors, Space telescopes, Space operations, Detector arrays, Mirrors, Bolometers

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Proceedings Article | 12 October 2015 Paper

Measurement of stratospheric and mesospheric winds with a submillimeter wave limb sounder: results from JEM/SMILES and simulation study for SMILES-2

Philippe Baron, Naohiro Manago, Hiroyuki Ozeki, Yoshihisa Irimajiri, Donal Murtagh, Yoshinori Uzawa, Satoshi Ochiai, Masato Shiotani, Makoto Suzuki

Proceedings Volume 9639, 96390N (2015) https://doi.org/10.1117/12.2194741

KEYWORDS: Wind measurement, Terahertz radiation, NOx, Oxygen, Double sideband modulation, Knowledge management, Thermosphere, Mesosphere, Antennas, Atmospheric modeling

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Proceedings Article | 2 August 2014 Paper

LiteBIRD: mission overview and design tradeoffs

T. Matsumura, Y. Akiba, J. Borrill, Y. Chinone, M Dobbs, H. Fuke, M. Hasegawa, K. Hattori, M. Hattori, M. Hazumi, W. Holzapfel, Y. Hori, J. Inatani, M. Inoue, Y. Inoue, K. Ishidoshiro, H. Ishino, H. Ishitsuka, K. Karatsu, S. Kashima, N. Katayama, I. Kawano, A. Kibayashi, Y. Kibe, K. Kimura, N. Kimura, E. Komatsu, M. Kozu, K. Koga, A. Lee, H. Matsuhara, S. Mima, K. Mitsuda, K. Mizukami, H. Morii, T. Morishima, M. Nagai, R. Nagata, S. Nakamura, M. Naruse, T. Namikawa, K. Natsume, T. Nishibori, K. Nishijo, H. Nishino, A. Noda, T. Noguchi, H. Ogawa, S. Oguri, I. Ohta, N. Okada, C. Otani, P. Richards, S. Sakai, N. Sato, Y. Sato, Y. Segawa, Y. Sekimoto, K. Shinozaki, H. Sugita, A. Suzuki, T. Suzuki, O. Tajima, S. Takada, S. Takakura, Y. Takei, T. Tomaru, Y. Uzawa, T. Wada, H. Watanabe, Y. Yamada, H. Yamaguchi, N. Yamasaki, M. Yoshida, T. Yoshida, K. Yotsumoto

Proceedings Volume 9143, 91431F (2014) https://doi.org/10.1117/12.2055794

KEYWORDS: Polarization, Satellites, Sensors, Telescopes, Mirrors, Microwave radiation, Antennas, Sun, Calibration, Physics

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Proceedings Article | 23 July 2014 Paper

ALMA band 10 (787-950 GHz): summary of the production of 73 receivers and first light results

Alvaro Gonzalez, Yasunori Fujii, Keiko Kaneko, Matthias Kroug, Takafumi Kojima, Koichi Kuroiwa, Akihira Miyachi, Kazumasa Makise, Zhen Wang, Shin'ichiro Asayama, Yoshinori Uzawa

Proceedings Volume 9153, 91530N (2014) https://doi.org/10.1117/12.2055598

KEYWORDS: Receivers, Polarization, Tolerancing, Astronomy, Antennas, Mirrors, Optical testing, Terahertz radiation, Superconductors, Niobium

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Proceedings Article | 27 September 2012 Paper

Development of 1000 arrays MKID camera for the CMB observation

Kenichi Karatsu, Masato Naruse, Tom Nitta, Masakazu Sekine, Yutaro Sekimoto, Takashi Noguchi, Yoshinori Uzawa, Hiroshi Matsuo, Hitoshi Kiuchi

Proceedings Volume 8452, 84520Q (2012) https://doi.org/10.1117/12.925775

KEYWORDS: Cameras, Sensors, Silicon, Antennas, Aluminum, Photons, Polarization, Superconductors, Prototyping, Microwave radiation

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Proceedings Article | 21 September 2012 Paper

LiteBIRD: a small satellite for the study of B-mode polarization and inflation from cosmic background radiation detection

M. Hazumi, J. Borrill, Y. Chinone, M. Dobbs, H. Fuke, A. Ghribi, M. Hasegawa, K. Hattori, M. Hattori, W. Holzapfel, Y. Inoue, K. Ishidoshiro, H. Ishino, K. Karatsu, N. Katayama, I. Kawano, A. Kibayashi, Y. Kibe, N. Kimura, K. Koga, E. Komatsu, A. Lee, H. Matsuhara, T. Matsumura, S. Mima, K. Mitsuda, H. Morii, S. Murayama, M. Nagai, R. Nagata, S. Nakamura, K. Natsume, H. Nishino, A. Noda, T. Noguchi, I. Ohta, C. Otani, P. Richards, S. Sakai, N. Sato, Y. Sato, Y. Sekimoto, A. Shimizu, K. Shinozaki, H. Sugita, A. Suzuki, T. Suzuki, O. Tajima, S. Takada, Y. Takagi, Y. Takei, T. Tomaru, Y. Uzawa, H. Watanabe, N. Yamasaki, M. Yoshida, T. Yoshida, K. Yotsumoto

Proceedings Volume 8442, 844219 (2012) https://doi.org/10.1117/12.926743

KEYWORDS: Polarization, Satellites, Microwave radiation, Mirrors, Multiplexing, Bolometers, Semiconducting wafers, Physics, Superconductors, X-rays

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Proceedings Article | 11 October 2000 Paper

Comparison of AC laser calorimeter measurements with FTIR measurements of superconductors

Etsuo Kawate, Mitsuo Koguchi, Zhen Wang, Yoshinori Uzawa, Kohtaro Isida

Proceedings Volume 4103, (2000) https://doi.org/10.1117/12.403588

KEYWORDS: Superconductors, Temperature metrology, Reflectivity, FT-IR spectroscopy, Skin, Transmittance, Niobium, Thin films, Absorption, Infrared spectroscopy

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Showing 5 of 14 publications

Conference Committee Involvement (4)

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII

18 June 2024 | Yokohama, Japan

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI

19 July 2022 | Montréal, Québec, Canada

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X

14 December 2020 | Online Only, California, United States

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X

13 December 2020 | San Diego, California, United States

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