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Conferences > OFS > 2020 > W4 > W4.60

High resolution acoustic emission detection system based on 3 × 3 coupler interrogation technology and random fiber laser

Shuaijie Miao, Wentao zhang, Haibing Zhang, Wenzhu Huang, and Ying Song

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Abstract

A random narrow linewidth fiber laser with a π-FBG is used as the acoustic emission (AE) sensor. A high AE detection resolution of ~0.281 fε/√Hz and a signal-to-noise ratio of 58 dB are obtained.

© 2020 The Author(s)

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