用86公里长的光纤进行频率传播,用于物理基础测试

O. Lopez, C. Daussy, C. Chardonnet, G. Santarelli, A. Amy-Klein
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引用次数: 2

摘要

LPL和lne - syte之间已经开发了一条43公里的光链路,用于传输射频或微波范围内的主要参考频率。通过延迟线补偿由传播延迟波动引起的相位噪声。通过将传输频率提高到9 GHz,分辨率得到了提高。该链接用于比较LPL中的分子光学时钟与syte中的主要参考,从而导致电子与质子质量比稳定性的测试。
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Frequency dissemination with a 86-km optical fibre for fundamental tests of physics
A 43-km optical link has been developed between LPL and LNE-SYRTE, to transfer a primary reference frequency in the RF or microwave range. The phase noise introduced by the fluctuations of the propagation delay is compensated using a delay line. The resolution has been improved by increasing the transferred frequency up to 9 GHz. This link was used to compare a molecular optical clock in LPL to a primary reference in SYRTE, which leads to a test of the stability of electron to proton mass ratio.
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Annales De Physique
Annales De Physique 物理-物理:综合
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