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Conferences > OFS > 2020 > W4 > W4.59

Synchronous laser locking and beat frequency technique for ultra-high-resolution static strain measurement

Wenzhu Huang, Wentao Zhang, and Fang Li

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Abstract

Two independent narrow-linewidth tunable fiber lasers are locked on a sensing FBG resonator and a reference FBG resonator respectively with fast Pound-Drever-Hall feedback method. An ultra-high strain resolution of 86 pε is achieved.

© 2020 The Author(s)

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