Current status of the [sup]171[/sup]Yb optical lattice clock at NMIJ, AIST

Masami Yasuda; Takuya Kohno; Kazumoto Hosaka; Hajime Inaba; Yoshiaki Nakajima; Daisuke Akamatsu; Feng-Lei Hong

doi:10.1117/12.892642

12 September 2011 Current status of the ¹⁷¹Yb optical lattice clock at NMIJ, AIST

Masami Yasuda, Takuya Kohno, Kazumoto Hosaka, Hajime Inaba, Yoshiaki Nakajima, Daisuke Akamatsu, Feng-Lei Hong

Proceedings Volume 8132, Time and Frequency Metrology III; 81320F (2011) https://doi.org/10.1117/12.892642
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

We report the current status of our ytterbium optical lattice clock at the NMIJ, AIST. After the first measurement of the clock transition frequency and the estimation of the uncertainty, we have been improving our clock. For an increased signal to noise ratio of the observed spectrum, we employed an atom number normalization scheme. We stabilized the frequency of the lattice laser using a fiber-based optical frequency comb. We also stabilized the intensity of the lattice laser.

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Masami Yasuda, Takuya Kohno, Kazumoto Hosaka, Hajime Inaba, Yoshiaki Nakajima, Daisuke Akamatsu, and Feng-Lei Hong "Current status of the ¹⁷¹Yb optical lattice clock at NMIJ, AIST", Proc. SPIE 8132, Time and Frequency Metrology III, 81320F (12 September 2011); https://doi.org/10.1117/12.892642

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