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Conferences > OFS > 2018 > FA > FA4

Sub-MHz Ultrasonic Sensor Using Fiber Laser Based on Random Fiber Grating

Liang Zhang, Yanping Xu, Lijuan Gu, Stephen Mihailov, Ping Lu, Liang Chen, and Xiaoyi Bao

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Abstract

An intensity-modulated fiber laser sensor incorporating distributed feedback from a random fiber grating is experimentally investigated for the detection of multiple sub-MHz ultrasonic continuous waves with minimum frequency spacing of 3 Hz.

© 2018 The Author(s)

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