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摘要

进入21世纪以来，经历了快速的发展，系统频移的不确定度指标已经超越现有的秒定义基准铯原子喷泉钟，进入到10-18量级，体现了人类精密测量能力的最高水平，是精密测量物理的热点研究内容.本综述简要介绍了的发展水平；详细介绍了的各个组成部分和关键技术、如何进行精密光谱探测和闭环锁定以及各项系统频移的不确定度评估方法和锶原子跃迁绝对频率测量的方法等；最后简要介绍了锶光钟的应用和未来发展趋势.

关键词:

原子钟/
光钟/
光晶格/
锶原子

The strontium optical lattice clock has experienced a rapid development since the beginning of the 21st century. Its relative frequency uncertainty, on the order of 10-18, has surpassed that of the cesium fountain clock, the current primary standard for time and frequency. This supreme level of precision reflects one of the most advanced measurement capabilities of mankind. This article reviews the current progress of the strontium optical lattice clock, and describes its key components and techniques, including high-resolution spectroscopy, close-loop operation, evaluation of systematic shifts, and absolute frequency measurement. The applications and future outlook of the strontium clock are also summarized.

Keywords:

作者及机构信息

林弋戈^1,2,
方占军^1,2

1.
2.

通信作者:方占军,zfang@nim.ac.cn

基金项目:国家重点研究发展计划（批准号：2016YFF0200201，2017YFA0304404）和国家自然科学基金（批准号：91336212，91436104，91736310）资助的课题.

Authors and contacts

Lin Yi-Ge^1,2,
Fang Zhan-Jun^1,2

1.
2.

Corresponding author:Fang Zhan-Jun,zfang@nim.ac.cn

Funds:Project supported by the National Key R&D Program of China (Grant Nos. 2016YFF0200201, 2017YFA0304404) and the National Natural Science Foundation of China (Grant Nos. 91336212, 91436104, 91736310).

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Strontium optical lattice clock

摘要

Abstract

作者及机构信息

1.
2.

通信作者:方占军,zfang@nim.ac.cn

Authors and contacts

1.
2.

Corresponding author:Fang Zhan-Jun,zfang@nim.ac.cn

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Strontium optical lattice clock

摘要

Abstract

作者及机构信息

1.2.

通信作者:方占军,zfang@nim.ac.cn

Authors and contacts

1.2.

Corresponding author:Fang Zhan-Jun,zfang@nim.ac.cn

参考文献

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目录

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