171 Yb 和 88 Sr 光晶格时钟的洲际频率比测量

IF 2.1 3区工程技术 Q2 INSTRUMENTS & INSTRUMENTATION

Metrologia Pub Date : 2024-08-20 DOI:10.1088/1681-7575/ad6a1e

Piotr Morzyński, Sławomir Bilicki, Marcin Bober, Domagoj Kovačić, Roman Ciuryło, Michał Zawada, Jerzy Nawrocki, Piotr Dunst, Takumi Kobayashi, Kazumoto Hosaka, Daisuke Akamatsu

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引用次数: 0

摘要

我们报告了 171Yb（NMIJ）和 88Sr（UMK）光晶格时钟之间的远程洲际频率比较。从 2020 年 3 月 10 日 00:00 UTC 至 2020 年 3 月 15 日 00:00 UTC 期间，通过全球定位系统精确点定位技术对这两个时钟的频率进行了比较。光学时钟比较得出的相对频率不确定性为 6.3×10-15。

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Intercontinental frequency ratio measurement of 171 Yb and 88 Sr optical lattice clocks

We report a remote, intercontinental frequency comparison between ¹⁷¹Yb (NMIJ) and ⁸⁸Sr (UMK) optical lattice clocks. The frequencies were compared via the Global Positioning System Precise Point Positioning technique over the period from 10 March 2020, 00:00 UTC until 15 March 2020, 00:00 UTC. The comparison of the optical clocks yields results with a relative frequency uncertainty of

6.3×10−15

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来源期刊

Metrologia 工程技术-物理：应用

CiteScore

2.80

自引率

25.00%

发文量

137

审稿时长

12 months

期刊介绍： Published 6 times per year, Metrologia covers the fundamentals of measurements, particularly those dealing with the seven base units of the International System of Units (metre, kilogram, second, ampere, kelvin, candela, mole) or proposals to replace them. The journal also publishes papers that contribute to the solution of difficult measurement problems and improve the accuracy of derived units and constants that are of fundamental importance to physics. In addition to regular papers, the journal publishes review articles, issues devoted to single topics of timely interest and occasional conference proceedings. Letters to the Editor and Short Communications (generally three pages or less) are also considered.