用于远程比较光学时钟和大地测量学实验的光纤链路

时间频率公报 Pub Date : 2015-04-12 DOI:10.1109/FCS.2015.7138911

Clivati Cecilia, Calonico Davide, Frittelli Matteo, M. Alberto, Levi Filippo

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引用次数: 4

摘要

用相位稳定光纤连接的具有10-18级不确定度的远端光学钟的差分比较可以用于探测厘米级灵敏度的大地水准面势。在这里，我们提出了一种相干光链路的实现和特性，该链路将能够在90公里的基线和1000米的高度差上进行重力势测量。这是一个原理验证实验，旨在探索大地测量学和频率测量学之间广泛的相互联系。

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A fiber link for the remote comparison of optical clocks and geodesy experiments

Differential comparisons of distant optical clocks with uncertainties in the 10-18 level linked by phase-stabilized optical fibers can be used to probe the Geoid potential at the centimeter sensitivity. Here, we present the realization and characterization of a coherent optical link that will enable gravitational potential measurements on a baseline of 90km and at 1000m of difference in altitude. This is a proof-of-principle experiment that aims at exploring extensive interconnections between geodesy and frequency metrology.

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时间频率公报

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1135