An in-situ method for measuring the non-linear response of a Fabry-Perot cavity

High finesse Fabry-Perot(FP) cavity is a very important frequency reference for laser stabiliza- tion, and is widely used for applications such as precision measurement, laser cooling of ions or molecules. But the non-linear response of the piezoelectric ceramic transducer (PZT) in the FP cav- ity l...

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Bibliographic Details
Published inarXiv.org
Main Authors Bu, Wenhao, Liu, Mengke, Xie, Dizhou, Yan, Bo
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 19.05.2016
Subjects
Fabry-Perot interferometers
Laser cooling
Lasers
Linearity
Nonlinear response
Nonlinearity
Physics - Optics
Piezoelectricity
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Summary:High finesse Fabry-Perot(FP) cavity is a very important frequency reference for laser stabiliza- tion, and is widely used for applications such as precision measurement, laser cooling of ions or molecules. But the non-linear response of the piezoelectric ceramic transducer (PZT) in the FP cav- ity limits the performance of the laser stabilization. Measuring and controlling such non-linearity are important. Here we report an in-situ, optical method to characterize this non-linearity by measuring the resonance signals of a dual-frequency laser. The differential measurement makes it insensitive to laser and cavity drifting, and has a very high sensitivity. It can be applied for various applications with PZT, especially in an optical lab.
ISSN:2331-8422
DOI:10.48550/arxiv.1605.05834