Broadband Acoustic Sensing Based on Low-Noise Narrow-Linewidth Brillouin Random Fiber Laser with DCFRR

Yuxi Pang; Yuxi Pang; Yanping Xu; Yanping Xu; Shaonian Ma; Shaonian Ma; Qiang Ji; Qiang Ji; Xian Zhao; Xian Zhao; Zengguang Qin; Zengguang Qin; Zhaojun Liu; Zhaojun Liu

doi:10.1364/OFS.2023.W4.47

28th International Conference on Optical Fiber Sensors
Technical Digest Series (Optica Publishing Group, 2023),
paper W4.47
•https://doi.org/10.1364/OFS.2023.W4.47

Broadband Acoustic Sensing Based on Low-Noise Narrow-Linewidth Brillouin Random Fiber Laser with DCFRR

Yuxi Pang, Yanping Xu, Shaonian Ma, Qiang Ji, Xian Zhao, Zengguang Qin, and Zhaojun Liu

Optical Fiber Sensors 2023

Naka-ku, Hamamatsu-shi Japan
20–24 November 2023
ISBN: 978-1-957171-30-2

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Poster Session II (W4)

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Y. Pang, Y. Xu, S. Ma, Q. Ji, X. Zhao, Z. Qin, and Z. Liu, "Broadband Acoustic Sensing Based on Low-Noise Narrow-Linewidth Brillouin Random Fiber Laser with DCFRR," in 28th International Conference on Optical Fiber Sensors, Technical Digest Series (Optica Publishing Group, 2023), paper W4.47.

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Abstract

A highly-sensitive acoustic sensor based on low-noise narrow-linewidth Brillouin random fiber laser with DCFRR is proposed and demonstrated for detecting short- and long-range acoustic signals in the range of 2Hz~200kHz with high signal-to-noise ratios.

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