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arXiv 2102.07422physics.opticsphysics.ins-det
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腔稳定laser系统相位噪声的简易测量方案

Simple phase noise measurement scheme for cavity-stabilized laser systems

Fabian Schmid, Johannes Weitenberg, Theodor W. Hänsch, Thomas Udem, Akira Ozawa

摘要:

本文介绍了一种以腔为参考测量腔稳激光器残余快相位噪声的简单方法。该方法基于在激光器输出和通过腔传输的强过滤光之间产生拍音。可以直接分析节拍音符,而不需要进一步校准系统参数。我们应用该方法测量了外腔半导体激光器(ECDL)锁定到参考腔的剩余相位噪声,并与反馈系统的环路误差信号的分析结果进行了比较。

英文摘要:

We describe a simple method for measuring the residual fast phase noise of a cavity-stabilized laser using the cavity as a reference. The method is based on generating a beat note between the laser output and the strongly filtered light transmitted through the cavity. The beat note can be directly analyzed without requiring further calibration of system parameters. We apply the method to measure the residual phase noise of an external-cavity diode laser (ECDL) locked to a reference cavity and compare the results with an analysis of the in-loop error signal of the feedback system.

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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