Prof. Kazumasa Makise Profile

Prof. Kazumasa Makise

at National Astronomical Observatory of Japan

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Author

Publications (2)

Proceedings Article | 16 August 2024 Presentation + Paper

ALMA Band 8 version2 receiver upgrade project

Takafumi Kojima, Tetsuhiro Minamidani, Ryo Sakai, Hiroaki Imada, Keiko Kaneko, Sho Masui, Kazunori Uemizu, Kazumasa Makise, Akihira Miyachi, Shohei Ezaki, Tomonori Tamura, Shun Ishii, Bunyo Hatsukade

Proceedings Volume 13102, 131020K (2024) https://doi.org/10.1117/12.3021139

KEYWORDS: Receivers, Design, Mirrors, Reflection, Waveguides, Double sideband modulation, Diagnostics, Radio frequency circuits, Polarization, Transformers

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Proceedings Article | 16 August 2024 Presentation + Paper

Development of an SIS mixer-based amplifier for large-scale multipixel heterodyne receivers

Yoshinori Uzawa, Akira Kawakami, Takafumi Kojima, Kazumasa Makise, Sho Masui, Yosuke Murayama, Akihira Miyachi, Wenlei Shan

Proceedings Volume 13102, 131020L (2024) https://doi.org/10.1117/12.3020000

KEYWORDS: Oscillators, Superconductors, Heterodyning, Quantum noise, Amplifiers

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