Fiber optic acoustic sensor based on Fiber Bragg grating Fabry-Perot(FBG-FP)cavity

Zhang, Pengfei; Xiang, Ziyang; Wang, Fangjun; Tang, Yaqi; Wang, Chao; Chan, Chi Chiu; Qin, Zixiong

doi:10.1109/icocn53177.2021.9563894

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2021 19th International Conference on Optical Communications and Networks (ICOCN) 2021

DOI: 10.1109/icocn53177.2021.9563894

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Fiber optic acoustic sensor based on Fiber Bragg grating Fabry-Perot(FBG-FP)cavity

Pengfei Zhang

Ziyang Xiang

Fangjun Wang

et al.

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Cited by 4 publications

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Highly sensitive Fabry-Perot acoustic sensor based on optic fiber spherical end surface

Sun

Jiang

Wang

et al. 2023

Optical Fiber Technology

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Highly sensitive Fabry-Perot acoustic sensor based on optic fiber spherical end surface

Sun

Jiang

Wang

et al. 2023

Optical Fiber Technology

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Characterization of sensitivity of optical fiber cables to acoustic vibrations

Dejdar

Mokrý

Čížek

et al. 2023

Sci Rep

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Fiber optic infrastructure is essential in the transmission of data of all kinds, both for the long haul and shorter distances in cities. Optical fibers are also preferred for data infrastructures inside buildings, especially in highly secured organizations and government facilities. This paper focuses on a reference measurement and analysis of optical fiber cables sensitivity to acoustic waves. Measurement was carried out in an anechoic chamber to ensure stable conditions of acoustic pressure in the range from 20 Hz to 20 kHz. The frequency response, the signal-to-noise ratio per frequency, and the Speech Transmission Index are evaluated for various types of optical fiber cables and different ceiling tiles, followed by their comparison. The influence of the means of fixing the cable is also studied. The results prove that optical fiber-based infrastructure in buildings can be exploited as a sensitive microphone.

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Fast FBG Interrogation for Acoustic Sensing Using Predictive Scan Path Compression

Liang,

Du,

Chen

et al. 2024

J. Lightwave Technol.

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Fiber optic acoustic sensor based on Fiber Bragg grating Fabry-Perot(FBG-FP)cavity

Cited by 4 publications

References 5 publications

Highly sensitive Fabry-Perot acoustic sensor based on optic fiber spherical end surface

Highly sensitive Fabry-Perot acoustic sensor based on optic fiber spherical end surface

Characterization of sensitivity of optical fiber cables to acoustic vibrations

Fast FBG Interrogation for Acoustic Sensing Using Predictive Scan Path Compression

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