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Resarch
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Papers (Peer-reviewed)

Papers (Non peer-reviewed)

  1. Ryosuke Akizawa et al., "Development status of the cryogenic holder mechanism for LiteBIRD LFT PMU", Proc. SPIE 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII, 131021X (16 August 2024); https://doi.org/10.1117/12.3019552

Presentation

2024

  1. "Experimental characterization of energy loss in rotation mechanism using SMB for LiteBIRD LFT PMU operating below 10 K", Ryosuke Akizawa, Kosuke Aizawa, Thuong Duc Hoang, Teruhito Iida,Mitsuharu Kusama, Clément Leloup, Asuka Maeda, Tomotake Matsumura, Jun Nakagawa, Hiroyuki Ohsaki, Satsuki Okumura, Yuki Sakurai, Ryota Takaku, Yutaka Terao, and Ryota Uematsu The Applied Superconductivity Conference 2024, September 2024, (SLC, Utah, US)

  2. "Development Status of Cryogenic holder mechanism for LiteBIRD LFT PMU", Ryosuke Akizawa, Teruhito Iida, Ryota Takaku, Kosuke Aizawa, Tommaso Ghigna, Thuong D. Hoang, Nobuhiko Katayama, Asuka Maeda, Tomotake Matsumura, Hideki Nakajima, Hiroyuki Ohsaki, Satsuki Okumura, Yuki Sakurai, Yutaka Terao and LiteBIRD collaboration., SPIE Astronomical Telescopes + Instrumentation 2024, June 2024, (Pacifico Yokohama, Yokohama, Japan)

  3. "LiteBIRD低周波望遠鏡の偏光変調器のためのリニアアクチュエータ式保持機構の低温性能評価", 秋澤涼介, 飯田光人, 相澤耕佑, Tommaso Ghigna, Thuong Duc Hoang, 片山伸彦, 松村知岳, 中嶋秀樹, 大崎博之, 櫻井雄基, 寺尾悠, 高久諒太, 日本物理学会2024年春季大会(19pW3-12), Mar 2024, (Online)

  4. "Thermal characteristics of the stepping motor with high-purity copper wire for cryogenic holder mechanism", Ryosuke Akizawa, Kosuke Aizawa, Teruhito Iida, Tommaso Ghigna, Thuong D. Hoang, Nobuhiko Katayama, Tomotake Matsumura, Hideki Nakajima,Hiroyuki Ohsaki, Yuki Sakurai, Ryota Takaku, Yutaka Terao, JSPS研究拠点形成事業・第14回国内交流若手セミナー, Mar 2024, (つくば国際会議場, Tsukuba)

2023

  1. "Development status of the cryogenic holder mechanism for LiteBIRD LFT PMU", Ryosuke Akizawa, QUPosium2023, Dec 2023, (Tsukuba International Congress Center, Tsukuba)

  2. "LiteBIRD低周波望遠鏡の偏光変調器のための高純度銅線を用いたステッピングモーターの発熱特性", 秋澤涼介, 飯田光人, 松村知岳, Thuong Duc Hoang, 高久諒太, 片山伸彦, 桜井雄基, Tommaso Ghigna, 日本物理学会第78回年次大会(17aS32-6), Sep 2023, (Tohoku Univ., Miyagi)

  3. "Development of cryogenic rotation mechanism of polarization modulator unit for LiteBIRD Low-Frequency Telescope", Ryosuke Akizawa, 53rd Summer School on Astronomy and Astrophysics, Aug 2023, (The Univ. of Tokyo, Tokyo)

  4. "Status report of LFT PMU", Ryota Takaku, Kosuke Aizawa, Ryosuke Akizawa, and dozens of others, LiteBIRD F2F meeting poster presentation June 2023, (The Univ. of Tokyo, Tokyo)

2022
  1. 「連星ブラックホール合体による準固有振動（QNM）の高次モード探索」, 秋澤涼介, 井ノ上慎一, 田中康太郎, 加藤辰明, 田耕健也, 前田佳凜, ICRR Spring School 2022 Gravitational Wave Astronomy, Mar 2022, (Online)
2021
  1. 「静電捕集型ラドン検出器の開発と湿度依存性の研究」, 秋澤涼介, 黒川俊輔, 佐々木良輔, 印田朱音, 第15回KEKサマーチャレンジ, Aug 2021 - Mar 2022, (KEK, Tsukuba)

Awards

Misc