Demonstration of Eight-Sensor Sagnac Fiber-Optic Hydrophone Array with Alternative Quadrature Phase Bias and Response Equalization Demodulation Algorithm

Demonstration of Eight-Sensor Sagnac Fiber-Optic Hydrophone Array with Alternative Quadrature Phase Bias and Response Equalization Demodulation Algorithm

The Sagnac interferometer-based fiber-optic hydrophone (S-FOH) exhibits a frequency-dependent response, causing the output signal to deviate from the original acoustic signal, with severe cases leading to signal distortion. A response equalization demodulation algorithm is demonstrated to recover hi...

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Bibliographic Details
Main Authors: Delong Zhao, Ke Wang, Shuolin Yang, Wenjie Xie, Yuzhong Chen, Jie Yang, Zhangqi Song, Zhaohua Sun
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Photonics
Subjects:
fiber-optic hydrophone
sagnac interferometer
response equalization
Online Access:https://www.mdpi.com/2304-6732/12/1/34
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