Publication

2020

Reviewed Papers

• "Half-meter Scale Superconducting Magnetic Bearing for Cosmic Microwave Background Polarization Experiments"
  Yuki Sakurai* , et. al.
  J.Phys.Conf.Ser. 1590, 1, 012060 (2020).
• "Updated Design of the CMB Polarization Experiment Satellite LiteBIRD"
  Hajime Sugai*, Yuki Sakurai, et. al.
  Journal of Low Temperature Physics 199, 3, 1107-1117 (2020).
• "Small Aperture Telescopes for the Simons Observatory"
  Aamir M. Ali*, Yuki Sakurai, et. al.
  Journal of Low Temperature Physics 200, 461_471 (2020).
• "Broadband, millimeter-wave anti-reflective structures on sapphire ablated with femto-second laser"
  R. Takaku*, Yuki Sakurai, et. al.
  Journal of Applied Physics 128, 225302 (2020).
• "Design of a testbed for the study of system interference in space CMB polarimetry"
  T. Ghigna*, Yuki Sakurai, et. al.
  J.Low.Temp.Phys. 1993-4, 622-630 (2020).

Non-Reviewed Papers

• "Breadboard model of polarization modulator unit based on a continuous rotating half-wave plate for the low frequency telescope of the LiteBIRD space mission"
  Y. Sakurai et. al.
  Proc. SPIE 1453, 114534E (2020).
• "Demonstration of five-layer phase-flat achromatic half-wave plate with anti-reflective structures and superconducting magnetic bearing for CMB polarization experiments"
  K. Komatsu, H. Ishino, H. Kataza, K. Konishi, M. Kuwata-Gonokami, N. Katayama, S. Sugiyama, T. Matsumura, H. Sakurai, Y. Sakurai, R. Takaku, J. Yumoto
  Proc. SPIE 11453, 114534I (2020).
• "Design of the frequency independent optic axis of the Pancharatnam base achromatic half-wave plate for CMB polarization experiment"
  K. Komatsu, H. Ishino, N. Katayama, T. Matsumura, Y. Sakurai, R. Takaku
  Proc. SPIE 11453, 114534B (2020).
• "Evaluation of reconstructed angular error of a continuous rotating HWP for LiteBIRD"
  S. Sugiyama, T. Matsumura, Y. Sakurai, N. Katayama, S. Takakura, M. Tashiro, Y. Terada, K. Sato, S. Katsuda, Y. Hoshino, R. Takaku, K. Komatsu
  Proc. SPIE 11443, 114436X (2020).
• "Demonstration of anti-reflective structures over a large area for CMB polarization experiments"
  R. Takaku, S. Hanany, Y. Hoshino, H. Imada, H. Ishino, N. Katayama, K. Komatsu, K. Konishi, M. K. Gonokami, T. Matsumura, K. Mitsuda, H. Sakurai, Y. Sakurai, Q. Wen, N. Y. Yamasaki, K. Young, J. Yumoto
  Proc. SPIE 11453, 114531A (2020).
• "Simons Observatory Small Aperture Telescope overview"
  K. Kiuchi, Y. Sakurai, et. al.
  Proc. SPIE 11445, 114457L (2020).

Talks

• "HWP development for LiteBIRD low-frequency telescope"
  Y. Sakurai
  CMB systematics and calibration focus workshop (2020).

Posters

• "Breadboard model of polarization modulator unit based on a continuous rotating half-wave plate for the low frequency telescope of the LiteBIRD space mission"
  Y. Sakurai
  SPIE Astronomical Telescopes + Instrumentation (2020).

Domestic conferences

• "The Simons Observatory ～status and roles of the Japanese group～"
  桜井雄基
  「ニュートリノで拓く素粒子と宇宙」　２０２０年研究会, 2020年12月 (2020).
• "次世代マイクロ波背景放射偏光観測実験 Simons Observatory の開発状況"
  桜井雄基
  日本天文学会 2020年春季大会, 2020年3月 (2020).
• "LiteBIRD衛星計画のための偏光変調器の開発状況"
  桜井 雄基, 松村 知岳, 片山 伸彦, 小松 国幹, 杉山真也, 高久 諒太, 他LiteBIRDチーム
  第20回 宇宙科学シンポジウム，宇宙航空研究開発機構 宇宙科学研究所, P-2.06, 2020年1月 (2020).