Takumi Kobayashi 小林拓実

Researcher Number	40758398
Other IDs
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 主任研究員
Affiliation (based on the past Project Information) *help	2019 – 2024: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 主任研究員 2017 – 2018: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics / Atomic/Molecular/Quantum electronics Except Principal Investigator Atomic/Molecular/Quantum electronics
Keywords	Principal Investigator Yb光格子時計 / 原子時計 / 一般相対性理論 / 周波数計測 / 暗黒物質 / Cs原子泉時計 / 絶対周波数計測 / 不確かさ評価 / 長期連続運転 / 長期連続稼働 … More / 磁気光学トラップ / 光時系 / 量子エレクトロニクス / 原子 / 光時計 … More Except Principal Investigator 絶対周波数計測 / 不確かさ評価 / 無人連続運転 / 周波数安定化レーザー / 周波数比 / Sr光格子時計 / 安定化レーザー / 秒 / 周波数計測 / TAIへの貢献 / Yb光格子時計 / 光時系 / 協定世界時 / 国際原子時 / 時間周波数標準 / 光格子時計 / 時系 Less

Yb光格子時計の長期運転による新規物理現象の探索Principal Investigator
- Principal Investigator
  
  小林拓実
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Development of an optical clock for the next-generation time keepingPrincipal Investigator
- Principal Investigator
  
  Takumi Kobayashi
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Atomic/Molecular/Quantum electronics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
The realisation of an optical time scale based on optical frequency standards
- Principal Investigator
  
  Hosaka Kazumoto
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Atomic/Molecular/Quantum electronics
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation Patent

[Journal Article] Generation of 116 mW ouput power at 461 nm in a periodically poled lithium niobate waveguide2022
- Author(s)
  Yusuke Hisai, Yoshiki Nishida, Hiroshi Miyazawa, Takumi Kobayashi, Feng-Lei Hong, and Daisuke Akamatsu
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 61 Issue: 2 Pages: 020701-020701
- DOI
  10.35848/1347-4065/ac4a05
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01151, KAKENHI-PROJECT-18H03886
[Journal Article] Search for Ultralight Dark Matter from Long-Term Frequency Comparisons of Optical and Microwave Atomic Clocks2022
- Author(s)
  Takumi Kobayashi, Akifumi Takamizawa, Daisuke Akamatsu, Akio Kawasaki, Kazumoto Hosaka, Yusuke Hisai, Masato Wada, Hajime Inaba, Takehiko Tanabe, Masami Yasuda
- Journal Title
  
  Physical Review Letters
  
  Volume: 129 Issue: 24 Pages: 241301-241301
- DOI
  10.1103/physrevlett.129.241301
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K22512
[Journal Article] Improved frequency ratio measurement with 87Sr and 171Yb optical lattice clocks at NMIJ2021
- Author(s)
  Yusuke Hisai, Daisuke Akamatsu, Takumi Kobayashi, Kazumoto Hosaka, Hajime Inaba, Feng-Lei Hong, and Masami Yasuda
- Journal Title
  
  Metrologia
  
  Volume: 58 Issue: 1 Pages: 015008-015008
- DOI
  10.1088/1681-7575/abc104
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01151, KAKENHI-PROJECT-18H03886, KAKENHI-PROJECT-19J10824, KAKENHI-PROJECT-17K14367
[Journal Article] Demonstration of the nearly continuous operation of an 171Yb optical lattice clock for half a year2020
- Author(s)
  Takumi Kobayashi, Daisuke Akamatsu, Kazumoto Hosaka, Yusuke Hisai, Masato Wada, Hajime Inaba, Tomonari Suzuyama, Feng-Lei Hong, and Masami Yasuda
- Journal Title
  
  Metrologia
  
  Volume: 57 Issue: 6 Pages: 065021-065021
- DOI
  10.1088/1681-7575/ab9f1f
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01151, KAKENHI-PROJECT-18H03886, KAKENHI-PROJECT-17K14367
[Journal Article] Development of 8-branch Er:fiber frequency comb for Sr and Yp optical lattice clocks2019
- Author(s)
  Yusuke Hisai, Daisuke Akamatsu, Takumi Kobayashi, Sho Okubo, Inaba Hajime, Kazumoto Hosaka, Masami Yasuda, and Feng-Lei Hong
- Journal Title
  
  Optics Express
  
  Volume: 27 Issue: 5 Pages: 6404-6414
- DOI
  10.1364/oe.27.006404
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H01151, KAKENHI-PROJECT-18H03886
[Journal Article] A relocking scheme for optical phase locking using a digital circuit with an electrical delay line2019
- Author(s)
  Takumi Kobayashi, Daisuke Akamatsu, Kazumoto Hosaka, and Masami Yasuda
- Journal Title
  
  Review of Scientific Instruments
  
  Volume: 90 Issue: 10 Pages: 103002-103002
- DOI
  10.1063/1.5111935
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14367, KAKENHI-PROJECT-16H06017
[Journal Article] Dual-mode operation of an optical lattice clock using strontium and ytterbium atoms2018
- Author(s)
  Daisuke Akamatsu, Takumi Kobayashi, Yusuke Hisai, Takehiko Tanabe, Kazumoto Hosaka, Masami Yasuda, and Feng-Lei Hong
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
  
  Volume: 印刷中 Issue: 6 Pages: 1069-1075
- DOI
  10.1109/tuffc.2018.2819888
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14367, KAKENHI-PROJECT-17H01151
[Journal Article] Uncertainty Evaluation of an 171Yb Optical Lattice Clock at NMIJ2018
- Author(s)
  Takumi Kobayashi, Daisuke Akamatsu, Yusuke Hisai, Takehiko Tanabe, Inaba Hajime, Tomonari Suzuyama, Feng-Lei Hong, Kazumoto Hosaka, and Masami Yasuda
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
  
  Volume: 65 Issue: 12 Pages: 2449-2458
- DOI
  10.1109/tuffc.2018.2870937
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14367, KAKENHI-PROJECT-17H01151
[Journal Article] A frequency-stabilized light source at 399 nm using an Yb hollow-cathode lamp2018
- Author(s)
  Takehiko Tanabe, Daisuke Akamatsu, Hajime Inaba, Sho Okubo, Takumi Kobayashi, Masami Yasuda, Kazumoto Hosaka, and Feng-Lei Hong
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 57 Issue: 6 Pages: 062501-062501
- DOI
  10.7567/jjap.57.062501
- NAID
  210000149114
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K14367
[Journal Article] Laser-Controlled Cold Ytterbium Atom Source for Transportable Optical Clocks2017
- Author(s)
  Masami Yasuda, Takehiko Tanabe, Takumi Kobayashi, Daisuke Akamatsu, Takumi Sato, and Atsushi Hatakeyama
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 86 Issue: 12 Pages: 125001-125001
- DOI
  10.7566/jpsj.86.125001
- NAID
  210000134648
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14367, KAKENHI-PROJECT-15K05238
[Patent] 位相同期回路2019
- Inventor(s)
  小林拓実、赤松大輔、安田正美
- Industrial Property Rights Holder
  小林拓実、赤松大輔、安田正美
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2019-083313
- Filing Date
  2019
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Absolute Frequency Measurement of NMIJ-Yb1 Referenced to NMIJ-F2 and Search for Dark Matter2023
- Author(s)
  小林拓実、高見澤明文、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、安田正美
- Organizer
  IEEE EFTF-IFCS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Contribution to TAI calibration by NMIJ-Yb1 and development of a new ultra-stable laser2023
- Author(s)
  西山明子、小林拓実、大久保章、赤松大輔、保坂一元、久井裕介、川崎瑛生、和田雅人、稲場肇、田邊健彦、洪鋒雷、安田正美
- Organizer
  IEEE EFTF-IFCS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Yb光格子時計とCs原子泉時計の長期比較による暗黒物質探索2023
- Author(s)
  小林拓実、高見澤明文、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、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Progress reports on the Yb optical lattice clock NMIJ-Yb1 for contributing to International Atomic Time2023
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、西山明子、川崎瑛生、和田雅人、稲場肇、田邊健彦、洪鋒雷、安田正美
- Organizer
  Precise Time and Time Interval Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Contributing to International Atomic Time by an Yb optical lattice clock with high uptime2022
- Author(s)
  小林拓実
- Organizer
  International workshop-Optical clocks for international timekeeping
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Progress towards a Cs-limited uncertainty at < 3×10-16 of the absolute frequency measurement of NMIJ-Yb12022
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、西山明子、川崎瑛生、和田雅人、稲場肇、田邊健彦、洪鋒雷、安田正美
- Organizer
  IEEE EFTF-IFCS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22512
[Presentation] Yb光格子時計の半年間にわたる準連続運転と国際原子時への貢献2021
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、和田雅人、稲場肇、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Yb光格子時計の半年間にわたる準連続運転と国際原子時への貢献2021
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、和田雅人、稲場肇、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Contribution to International Atomic Time by the nearly continuous operation of an Yb optical lattice clock2021
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、西山明子、川崎瑛生、和田雅人、稲場肇、田邊健彦、洪鋒雷、安田正美
- Organizer
  ATF
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Progress report of the 171Yb optical lattice clock NMIJ-Yb12021
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、和田雅人、稲場肇、田邊健彦、洪鋒雷、安田正美
- Organizer
  IEEE EFTF-IFCS
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Nearly continuous operation of an Yb optical lattice clock towards contribution to the International Atomic Time2020
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、稲場肇、鈴山智也、洪鋒雷、安田正美
- Organizer
  IEEE IFCS-ISAF
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Sr optical lattice clock assisted by optical frequency combs for contribution to International Atomic Time2020
- Author(s)
  久井裕介、赤松大輔、小林拓実、保坂一元、稲場肇、洪鋒雷、安田正美
- Organizer
  CLEO
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Sr optical lattice clock assisted by optical frequency combs for contribution to International Atomic Time2020
- Author(s)
  久井裕介、赤松大輔、小林拓実、保坂一元、稲場肇、洪鋒雷、安田正美
- Organizer
  CLEO
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] 国際原子時への貢献を目指したYb光格子時計の連続運転の実証2020
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、稲場肇、鈴山智也、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] 産総研におけるYb/Sr時計周波数比計測の不確かさ低減2020
- Author(s)
  久井裕介、赤松大輔、小林拓実、保坂一元、稲場肇、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Development of an operational Yb optical lattice clock towards contribution to the International Atomic Time2020
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、稲場肇、鈴山智也、洪鋒雷、安田正美
- Organizer
  CPEM
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Nearly continuous operation of an Yb optical lattice clock towards contribution to the International Atomic Time2020
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、稲場肇、鈴山智也、洪鋒雷、安田正美
- Organizer
  IEEE IFCS-ISAF
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] 産総研におけるYb/Sr時計周波数比計測の不確かさ低減2020
- Author(s)
  久井裕介、赤松大輔、小林拓実、保坂一元、稲場肇、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Development of an operational Yb optical lattice clock towards contribution to the International Atomic Time2020
- Author(s)
  小林拓実、赤松大輔、保坂一元、久井裕介、稲場肇、鈴山智也、洪鋒雷、安田正美
- Organizer
  CPEM
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Status report on an 171Yb optical lattice clock at NMIJ2019
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  Joint Conference of the IEEE International Frequency Control, Symposium and European Frequency and Time Forum (IFC/EFTF)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] 国際原子時への貢献を目指したSrおよびYb光格子時計の改善2019
- Author(s)
  小林拓実、赤松大輔、久井裕介、洪鋒雷、保坂一元、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] 国際原子時への貢献を目指したSrおよびYb光格子時計の改善2019
- Author(s)
  小林拓実、赤松大輔、久井裕介、洪鋒雷、保坂一元、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Recent research activities on optical lattice clocks at NMIJ, AIST2019
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  URSI-Japan Radio Science Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] 可搬型光格子時計のためのレーザー制御型低速Yb原子線源の開発2018
- Author(s)
  安田正美、田邉健彦、小林拓実、赤松大輔、佐藤拓海、畠山温
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] 産総研におけるYb光格子時計3号機2018
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] 産総研におけるYb光格子時計3号機2018
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Development of an ytterbium optical lattice clock at NMIJ2018
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  European Frequency and Time Forum (EFTF)
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Development of an ytterbium optical lattice clock at NMIJ2018
- Author(s)
  小林拓実、赤松大輔、久井裕介、田邉健彦、稲場肇、鈴山智也、洪鋒雷、保坂一元、安田正美
- Organizer
  European Frequency and Time Forum (EFTF)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] An 8-branch optical frequency comb for laser frequency stabilization and measurement in optical lattice clocks2018
- Author(s)
  久井裕介、赤松大輔、小林拓実、大久保章、稲場肇、保坂一元、洪鋒雷、安田正美
- Organizer
  Conference on Lasers and Electro-Optics (CLEO)
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Development of an 8-branch optical frequency comb for laser frequency stabilization2017
- Author(s)
  久井裕介、赤松大輔、小林拓実、大久保章、稲場肇、洪鋒雷、保坂一元
- Organizer
  Conference on Lasers and Electro-Optics Pacific Rim (CLEO PR)
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Yb/Srデュアル光格子時計による時計遷移周波数比の測定22017
- Author(s)
  赤松大輔、小林拓実、久井裕介、田邉健彦、保坂一元、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] A compact light source at 399 nm using a periodically poled LiNb03 waveguide for laser cooling ytterbium2017
- Author(s)
  小林拓実、赤松大輔、西田好毅、田邉健彦、安田正美、洪鋒雷、保坂一元
- Organizer
  Union Radio-Scientifique Internationale (URSI)
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] A narrow linewidth laser system for strontium and ytterbium optical lattice clocks2017
- Author(s)
  小林拓実、稲場肇、赤松大輔、大久保章、保坂一元
- Organizer
  Union Radio-Scientifique Internationale (URSI)
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] 周波数安定化のための8ブランチ光周波数コムの開発2017
- Author(s)
  久井裕介、赤松大輔、小林拓実、大久保章、稲場肇、保坂一元、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] Development of an 8-branch optical frequency comb for laser frequency stabilization2017
- Author(s)
  久井裕介、赤松大輔、小林拓実、大久保章、稲場肇、洪鋒雷、保坂一元
- Organizer
  Conference on Lasers and Electro-Optics Pacific Rim
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] A narrow linewidth laser system for strontium and ytterbium optical lattice clocks2017
- Author(s)
  小林拓実、稲場肇、赤松大輔、大久保章、保坂一元
- Organizer
  Union Radio-Scientifique Internationale
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] A compact light source at 399 nm using a periodically poled LiNb03 waveguide for laser cooling ytterbium2017
- Author(s)
  小林拓実、赤松大輔、西田好毅、田邉健彦、安田正美、洪鋒雷、保坂一元
- Organizer
  Union Radio-Scientifique Internationale
- Data Source
  KAKENHI-PROJECT-17K14367
[Presentation] 周波数安定化のための8ブランチ光周波数コムの開発2017
- Author(s)
  久井裕介、赤松大輔、小林拓実、大久保章、稲場肇、保坂一元、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151
[Presentation] Yb/Srデュアル光格子時計による時計遷移周波数比の測定22017
- Author(s)
  赤松大輔、小林拓実、久井裕介、田邉健彦、保坂一元、洪鋒雷、安田正美
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17H01151

1. 赤松大輔 (90549883)

# of Collaborated Projects: 2 results

# of Collaborated Products: 26 results
2. Hosaka Kazumoto (50462859)

# of Collaborated Projects: 1 results

# of Collaborated Products: 19 results
3. 洪鋒雷 (10260217)

# of Collaborated Projects: 1 results

# of Collaborated Products: 19 results
4. 稲場肇 (70356492)

# of Collaborated Projects: 1 results

# of Collaborated Products: 16 results
5. 鈴山智也 (30359111)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
6. 高見澤昭文 (50462833)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results

Takumi Kobayashi 小林 拓実

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Yb光格子時計の長期運転による新規物理現象の探索Principal Investigator

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Development of an optical clock for the next-generation time keepingPrincipal Investigator

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The realisation of an optical time scale based on optical frequency standards

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[Journal Article] Generation of 116 mW ouput power at 461 nm in a periodically poled lithium niobate waveguide2022

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[Journal Article] Search for Ultralight Dark Matter from Long-Term Frequency Comparisons of Optical and Microwave Atomic Clocks2022

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[Journal Article] Improved frequency ratio measurement with 87Sr and 171Yb optical lattice clocks at NMIJ2021

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[Journal Article] Demonstration of the nearly continuous operation of an 171Yb optical lattice clock for half a year2020

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[Journal Article] Development of 8-branch Er:fiber frequency comb for Sr and Yp optical lattice clocks2019

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[Journal Article] A relocking scheme for optical phase locking using a digital circuit with an electrical delay line2019

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[Journal Article] Dual-mode operation of an optical lattice clock using strontium and ytterbium atoms2018

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[Journal Article] Uncertainty Evaluation of an 171Yb Optical Lattice Clock at NMIJ2018

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[Journal Article] A frequency-stabilized light source at 399 nm using an Yb hollow-cathode lamp2018

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[Journal Article] Laser-Controlled Cold Ytterbium Atom Source for Transportable Optical Clocks2017

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[Patent] 位相同期回路2019

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Takumi Kobayashi 小林拓実