Rchr
J-GLOBAL ID：200901088450430148
Update date: Jan. 30, 2024
Inaba Hajime
イナバ ハジメ | Inaba Hajime
Affiliation and department：
Job title：
Researcher
Homepage URL (1)：
https://unit.aist.go.jp/ripm/ofmes-g/
Research field (3)：
Control and systems engineering
, Applied physics - general
, Optical engineering and photonics
Research keywords (7)：
Laser physics
, Optical lattice clock
, Optical frequency comb
, Optical frequency measurement
, Frequency metrology
, Made-lock laser
, Mode-locked fiber Laser
Research theme for competitive and other funds (20)：
- 2021 - 2026 Second earth search by high-precision line-of-sight velocity measurement using visible ultra-broadband laser comb
- 2022 - 2025 Development of a high-precision method for measuring the group refractive index using a dual-comb spectral interferometer and a double-sided interferometer.
- 2022 - 2025 2種の光コムの高度な制御による高速かつ高精度な分光技術の創出
- 2021 - 2024 Thermodynamic temperature determination by thermal radiation heterodyne detection using an optical frequency comb
- 2021 - 2024 超高精度多成分微量ガス分析のためのデュアルコム共振器モード分散分光法の開発
- 2020 - 2023 Development of a method for small mass measurements using the new definition of the kilogram based on the Planck constant
- 2019 - 2022 Construction of Temperature Standard Based on New Definition of SI by Optical Comb Thermometry
- 2017 - 2022 The realisation of an optical time scale based on optical frequency standards
- 2018 - 2021 High speed and high resolution spectroscopy using two types of optical frequency combs
- 2015 - 2020 Direct Detection of Cosmic Acceleration by TMT & High Dispersion Spectrograph
- 2016 - 2019 Molecular gas thermometry using dual-comb spectroscopy
- 2016 - 2019 Research to realize the definition of the kilogram based on the fundamental constants
- 2016 - 2018 Development of the polarization-sensitive dual comb spectroscopy
- 2015 - 2018 Dual-comb spectroscopy at visible wavelength range using Er fiber combs
- 2014 - 2017 Development of the ultra-stable optical cavity using a ceramic spacer
- 2013 - 2016 High-accuracy length metrology with self-correction of environmental fluctuation using optical frequency combs.
- 2011 - 2014 Development of ultra high resolution mid-infrared molecular spectrometer combining advanced sources
- 2011 - 2013 Absolute linewidth narrowing of optical frequency comb using an ultrastable cavity
- 2010 - 2012 Development of ultra-stable lasers using low-thermal-noise optical cavities
- 2009 - 2011 Study on absolute distance measurements of sub-wavelength accuracy using cascaded coherent link with optical combs
Show all
Papers (208)：
-
Sho Okubo, Kana Iwakuni, Hideki Kato, Feng-Lei Hong, Hiroyuki Sasada, Hajime Inaba, Koichi M.T. Yamada. The pressure effect on the line profiles observed in the ν1 + ν3 band of acetylene: Revisited. Journal of Molecular Spectroscopy. 2023. 396. 111823-111823
-
Keisuke Nakamura, Ken Kashiwagi, Sho Okubo, Hajime Inaba. Erbium-doped-fiber-based broad visible range frequency comb with a 30 GHz mode spacing for astronomical applications. Optics Express. 2023. 31. 12. 20274-20274
-
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
-
Kana Sumihara, Sho Okubo, Makoto Okano, Hajime Inaba, Shinichi Watanabe. Ultra-precise determination of thicknesses and refractive indices of optically thick dispersive materials by dual-comb spectroscopy. Optics Express. 2021. 30. 2. 2734-2734
-
Tomoya Irimatsugawa, Yukiko Shimizu, Sho Okubo, Hajime Inaba. Cosine similarity for quantitatively evaluating the degree of change in an optical frequency comb spectra. Optics Express. 2021. 29. 22. 35613-35613
ｍore...
MISC (133)：
-
郷治侑真, 西原幹恭, 加藤令偉, 池田幸平, 和田雅人, 稲場肇, 赤松大輔, HONG Feng-Lei. Temperature dependence of a fiber-based interferometer for laser linewidth narrowing. 日本物理学会講演概要集(CD-ROM). 2021. 76. 2
-
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
-
郷治侑真, 池田幸平, 西原幹恭, 加藤令偉, 和田雅人, 稲場肇, HONG Feng-Lei. Evaluation of the frequency noise of an external cavity diode laser at telecom wavelength. 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
ｍore...
Association Membership(s) (3)：
日本天文学会
, レーザー学会
, 日本応用物理学会
