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Pico-strain resolution multiplexed fiber grating sensor array using one mode-locked laser

Shuangxiang Zhao, Qingwen Liu, Jiageng Chen, and Zuyuan He

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Abstract

A mode-locked laser works as the source to interrogate Er3+-doped fiber grating sensor array with wavelength-division-multiplexing technology. Combined with the Pound-Drever-Hall and injection-locking technologies, pico-strain resolution down to sub-herz is demonstrated in experiments.

© 2018 The Author(s)

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