| Proposal of a Novel Compact Cold Atomic Fountain Clock |
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| 作者姓名： | 魏荣 钱勇 张宇 王育竹 |
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| 作者单位： | KeyLaboratoryforQuantumOptics,ShanghaiInstituteofOpticsandFineMechanics,ChineseAcademyofSciences,Shanghai201800 |
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| 摘 要： | We propose a novel atomic fountain clock which is compact and transportable. The clock is 60-cm in height. Its linewidth is expected to be 1.75Hz, with accuracy 10^-14, stability 10^-14 and signal-noise ratio 10^3. A hollow beam is applied as atomic wave-guide, which can increase the stability and the signal-noise ratio by one order. The hollow beam will not affect the accuracy of the clock, if the frequency shift due to the hollow beam is amended and the fluctuation of the hollow beam intensity is controlled to be smaller than 0.6%.
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| 关 键 词： | 原子钟 原子波导 单噪声辐射 冷激光物理 原子频率标准技术 |
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