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J-GLOBAL ID：201601018526777255 Update date: Sep. 27, 2024

Takamizawa Akifumi

タカミザワアキフミ | Takamizawa Akifumi

Affiliation and department：
Homepage URL (1)： https://staff.aist.go.jp/akifumi.takamizawa/

Research field (2)： Optical engineering and photonics , Applied physics - general

Research keywords (3)： quantum electronics , frequency standard , metrology

Research theme for competitive and other funds (6)：

2022 - 2026 Yb光格子時計の長期運転による新規物理現象の探索
2018 - 2022 Advancement of an optical pumping magnetometer via development of a stable laser
2015 - 2018 長期連続運転可能で極めて高い周波数安定度を有する原子泉の開発
2014 - 2018 全冷却方式超高安定マイクロ波発振器の開発
2009 - 2012 高安定原子時計のための冷却原子とイオンの相互作用の研究

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Papers (44)：

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
Akifumi Takamizawa, Shinya Yanagimachi, Ken Hagimoto, Iku Hirano, Takeshi Ikegami. Recent progress of development of cesium fountain primary frequency standard NMIJ-F2. 2018 European Frequency and Time Forum, EFTF 2018. 2018. 94-97
Hideki Takagi, Yuichi Kurashima, Akifumi Takamizawa, Takeshi Ikegami, Shinya Yanagimachi. Surface activated room-temperature bonding in Ar gas ambient for MEMS encapsulation. Japanese Journal of Applied Physics. 2018. 57. 2
Akifumi Takamizawa, Shinya Yanagimachi, Takeshi Ikegami. External cavity diode laser with very-low frequency drift. APPLIED PHYSICS EXPRESS. 2016. 9. 3. 032704
Takamizawa A., Yanagimachi S., Ikegami T. 22aBK-11 External cavity diode laser with extremely-low frequency drift. Meeting Abstracts of the Physical Society of Japan. 2016. 71. 792-792

MISC (8)：

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, 大久保章, 稲場肇, 小林拓実, 高見澤昭文, 赤松大輔, 安田正美. Development of the frequency metrology link system at the National Metrology Institute of Japan (NMIJ). 電気学会研究会資料. 2020. ECT-20-055-058
Surface activated room-temperature wafer bonding in gas ambient for MEMS hermetic package. 2016. 33. 1-4
田邊健彦, 赤松大輔, 小林拓実, 高見澤昭文, 柳町真也, 池上健, 鈴山智也, 稲場肇, 大久保章, 安田正美, et al. ストロンチウム原子の時計遷移の絶対周波数測定-SI秒との比較における不確かさの低減-. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2016. 63rd
Yanagimachi Shinya, Takamizawa Akifumi, Hagimoto Ken, Hirano Iku, Ikegami Takeshi. B-2-29 Direct comparison of the time standard signal using the public network. Proceedings of the IEICE General Conference. 2015. 2015. 1. 252-252

Patents (1)：

Lectures and oral presentations (12)：

Education (3)：

2000 - 2003 Tokyo Institute of Technology Interdisciplinary Graduate School of Science and Engineering Applied Physics and Electronics
1998 - 2000 Tokyo Institute of Technology Interdisciplinary Graduate School of Science and Engineering Applied Physics and Electronics
1994 - 1998 Tokyo Institute of Technology Science Applied Physics

Professional career (1)：

Work history (5)：

Association Membership(s) (2)：

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

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