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arXiv 2409.00898physics.optics
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利用参考腔透射光与反射光干涉实现频率稳定

Frequency stabilization via interference between transmitted and reflected lights from a reference cavity

Rikizo Ikuta

AI总结:

本文提出一种基于参考腔透射光与反射光干涉的无调制频率稳定方法,将特定锁定频率的捕获范围扩展至两倍FSR,并实现对频率波动的最高灵敏度与抗干扰鲁棒性。

摘要:

我们提出一种无调制的光学频率稳定技术,该技术利用参考腔透射光与反射光之间的干涉效应。反射光的特性使误差信号对激光强度波动具有鲁棒性,这与以往的稳定方法相同。由于透射光的特性,针对特定锁定频率的捕获范围扩展至腔自由光谱范围(FSR)的两倍,我们对此进行了实验演示。如果允许锁定到任意谐振频率,则捕获范围为无限大。由于同时利用两种光的效果,我们的方法在谐振频率附近实现了对频率波动的最高灵敏度,并对干涉仪波动具有鲁棒性。

英文摘要:

We propose a modulation-free optical frequency stabilization technique using an interferometric effect between transmitted and reflected lights from a reference cavity. The property of the reflected light brings robustness of the error signal against laser intensity fluctuations as in previous stabilization methods. Due to the property of the transmitted light, the capture range for a specific locking frequency is expanded up to twice the FSR of the cavity, which we experimentally demonstrate. If locking to any resonant frequency is allowed, the capture range is infinite. From the effect of using both lights, our method achieves the highest sensitivity to the frequency fluctuations around the resonant frequency and provides robustness against the interferometer fluctuations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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