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Method of minimizing the short-term frequency instability of laser-pumped atomic clocks
Method of minimizing the short-term frequency instability of laser-pumped atomic clocks
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机译:最小化激光泵浦原子钟的短期频率不稳定性的方法
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摘要
A method is provided for optimizing the performance of laser-pumped atomic frequency references with respect to the laser detuning and other operating parameters. This method is based on the new understanding that the frequency references short-term instability is minimized when (a) the laser frequency is tuned nominally a few tens of MHz away from the center of the atomic absorption line, and (b) the external oscillator lock modulation frequency is set either far below or far above the inverse of the optical pumping time of the atoms.
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