Stability degradation factors evaluated by phase noise measurement in an optical-microwave frequency link using an optical frequency comb. - Hajime Inaba; Shinya Yanagimachi; Feng-Lei Hong; Atsushi Onae; Yasuki Koga; Hirokazu Matsumoto (IEEE Trans. Instrum. Meas., 2005)

Optical Frequency Synthesis From a Cryogenic Sapphire Oscillator Using a Fiber-Based Frequency Comb. - Ken-ichi Watabe; Hajime Inaba; Ken'ichiro Okumura; Feng-Lei Hong; John G. Hartnett; Clayton R. Locke; Giorgio Santarelli; Shinya Yanagimachi; Kaoru Minoshima; Takeshi Ikegami; Atsushi Onae; Shin-ichi Ohshima; et al. (IEEE Trans. Instrum. Meas., 2007)

Frequency Measurement Capability of a Fiber-Based Frequency Comb at 633 nm. - Hajime Inaba; Yoshiaki Nakajima; Feng-Lei Hong; Kaoru Minoshima; Jun Ishikawa; Atsushi Onae; Hirokazu Matsumoto; Michael Wouters; Bruce Warrington; Nicholas Brown (IEEE Trans. Instrum. Meas., 2009)

Improvements to the Volume Measurement of 28Si Spheres to Determine the Avogadro Constant. - Naoki Kuramoto; Yasushi Azuma; Hajime Inaba; Feng-Lei Hong; Kenichi Fujii (IEEE Trans. Instrum. Meas., 2015)

Fixed point variations of a frequency comb generated by a passively mode-locked fiber laser. - Ken Kashiwagi; Hajime Inaba (IEICE Electron. Express, 2017)

Volume Measurement of a 28Si-Enriched Sphere for a Determination of the Avogadro Constant at NMIJ. - Naoki Kuramoto; Lulu Zhang 002; Kazuaki Fujita; Sho Okubo; Hajime Inaba; Kenichi Fujii (IEEE Trans. Instrum. Meas., 2019)

Evaluation of Fiber Noise Induced in Ultrastable Environments. - Masato Wada; Sho Okubo; Ken Kashiwagi; Feng-Lei Hong; Kazumoto Hosaka; Hajime Inaba (IEEE Trans. Instrum. Meas., 2019)

Reproducibility of the Realization of the Kilogram Based on the Planck Constant by the XRCD Method at NMIJ. - Naoki Kuramoto; Shigeki Mizushima; Lulu Zhang 002; Kazuaki Fujita; Sho Okubo; Hajime Inaba; Yasushi Azuma; Akira Kurokawa; Yuichi Ota; Kenichi Fujii (IEEE Trans. Instrum. Meas., 2021)

Volume Measurement of a 28Si-Enriched Sphere to Realize the Kilogram Based on the Planck Constant at NMIJ. - Yuichi Ota; Sho Okubo; Hajime Inaba; Naoki Kuramoto (IEEE Trans. Instrum. Meas., 2021)