Yasuda Masami

ヤスダマサミ | Yasuda Masami

Affiliation and department：
Homepage URL (1)： https://unit.aist.go.jp/ripm/time-stdg/

Research field (2)： Applied physics - general , Semiconductors, optical and atomic physics

Research keywords (6)：原子分子物理学 , レーザー分光学 , 時間標準 , 光周波数標準 , 光格子時計 , 量子エレクトロニクス

Research theme for competitive and other funds (5)：

2022 - 2025 Search for the time-variation of the fundamental physical constant by long-term operation of an optical lattice clock using a light-controlled slow atomic beam source
2015 - 2018 Development of an light-controlled cold atomic beam source for a transportable optical lattice clock
2011 - 2013 Search for the blue-detuned magic wavelength for the ytterbium optical lattice clock
2003 - 2005 準安定状態ストロンチウム原子のためのクライオトラップの開発
2000 - 2001 Development of an ultracold bright atomic beam and its application to atom interferometer

Papers (77)：

Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, Masami Yasuda. Isotope-shift analysis with the 4f146s2 1S0 - 4f135d6s2 (J = 2) transition in ytterbium. Physical Review A. 2024. 109. 6
Takumi Kobayashi, Daisuke Akamatsu, Kazumoto Hosaka, Yusuke Hisai, Akiko Nishiyama, Akio Kawasaki, Masato Wada, Hajime Inaba, Takehiko Tanabe, Tomonari Suzuyama, et al. Generation of a precise time scale assisted by a near-continuously operating optical lattice clock. Physical Review Applied. 2024. 21. 6
Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama, Takehiko Tanabe, Masami Yasuda. Observation of the 4f146s2 1S0 - 4f135d6s2 (J = 2) clock transition at 431 nm in 171Yb. Physical Review A. 2023. 107. 6
Takumi Kobayashi, Akifumi Takamizawa, Daisuke Akamatsu, Akio Kawasaki, Akiko Nishiyama, Kazumoto Hosaka, Yusuke Hisai, Masato Wada, Hajime Inaba, Takehiko Tanabe, et al. Search for Ultralight Dark Matter from Long-Term Frequency Comparisons of Optical and Microwave Atomic Clocks. Physical Review Letters. 2022
Yusuke Hisai, Daisuke Akamatsu, Takumi Kobayashi, Kazumoto Hosaka, Hajime Inaba, Feng-Lei Hong, Masami Yasuda. Improved frequency ratio measurement with 87Sr and 171Yb optical lattice clocks at NMIJ. Metrologia. 2021. 58. 1. 015008-015008

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MISC (73)：

小林拓実, 高見澤昭文, 赤松大輔, 川崎瑛生, 西山明子, 保坂一元, 久井裕介, 和田雅人, 稲場肇, 田邊健彦, et al. Search for ultralight dark matter from long-term comparisons of an Yb optical lattice clock and a Cs fountain clock. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
田邊健彦, 小林拓実, 西山明子, 川崎瑛生, 岩佐章夫, 安田正美. Current status of UTC (NMIJ) and efforts to make it robust. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
小林拓実, 赤松大輔, 保坂一元, 久井裕介, 和田雅人, 稲場肇, HONG Feng-Lei, 安田正美. Nearly continuous operation of an Yb optical lattice clock for half a year and contribution to International Atomic Time. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
和田雅人, 小林拓実, 赤松大輔, 安田正美, 保坂一元, 稲場肇. Study for the improvement of the optical frequency measurement uncertainty. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2021. 68th
小林拓実, 赤松大輔, 保坂一元, 久井裕介, 稲場肇, 鈴山智也, HONG Feng-Lei, 安田正美. Demonstration of continuous operation of an Yb optical lattice clock towards contribution to the International Atomic Time. 日本物理学会講演概要集(CD-ROM). 2020. 75. 1

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Books (2)：

Education (4)：

1995 - 1998 東京大学大学院工学系研究科物理工学専攻博士課程
1993 - 1995 東京大学大学院工学系研究科物理工学専攻修士課程
1991 - 1993 The University of Tokyo The Faculty of Engineering Department of Applied Physics
1989 - 1991 The University of Tokyo College of Arts and Sciences

Professional career (1)：

Work history (3)：

Committee career (3)：

Awards (2)：

Association Membership(s) (2)：

THE JAPAN SOCIETY OF APPLIED PHYSICS , THE PHYSICAL SOCIETY OF JAPAN

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