Hydrophones, fundamental features, design considerations, and various structures: A review

H Saheban, Z Kordrostami - Sensors and Actuators A: Physical, 2021‏ - Elsevier
This paper presents a comprehensive review of hydrophones, their design considerations,
physical aspects, and structures by reviewing many publications that have been published …

Phase modulation depth evaluation and correction technique for the PGC demodulation scheme in fiber-optic interferometric sensors

AV Volkov, MY Plotnikov, MV Mekhrengin… - IEEE Sensors …, 2017‏ - ieeexplore.ieee.org
Phase generated carrier (PGC) demodulation schemes are widely used in fiber-optic
interferometric sensors. Basic PGC schemes required the certain value of the phase …

PGC-Atan demodulation scheme with the carrier phase delay compensation for fiber-optic interferometric sensors

AN Nikitenko, MY Plotnikov, AV Volkov… - IEEE Sensors …, 2018‏ - ieeexplore.ieee.org
Phase generated carrier (PGC) demodulation schemes are widely used in fiber-optic
interferometric sensors. All known PGC schemes use carrier signals to obtain in-phase and …

Nonlinear error compensation of PGC demodulation with the calculation of carrier phase delay and phase modulation depth

L Yan, Y Zhang, J **e, Y Lou, B Chen… - Journal of Lightwave …, 2021‏ - opg.optica.org
We propose a novel phase generated carrier (PGC) demodulation method by
simultaneously calculating the carrier phase delay (θ) and the phase modulation depth (m) …

High-performance towing cable hydrophone array with an improved ultra-sensitive fiber-optic distributed acoustic sensing system

G Yan, D Wang, JUN Long, L Jiang, Y Gong, Z Ran… - Optics express, 2023‏ - opg.optica.org
A high-performance towing cable hydrophone array based on an improved ultra-sensitive
fiber-optic distributed acoustic sensing system (uDAS) with picostrain sensitivity is …

Extraction of carrier phase delay for nonlinear errors compensation of PGC demodulation in an SPM interferometer

J **e, L Yan, B Chen, Y Lou - Journal of Lightwave Technology, 2019‏ - opg.optica.org
Traditional phase generated carrier (PGC) schemes require that the carrier phase delay be
kept zero and the phase modulation depth be maintained at a certain value; otherwise …

Review of fibre optic hydrophones for potential application in offshore carbon storage monitoring

M Hadeed, HS Bhatti, AM Aizzuddin, E Vorathin… - Sensors and Actuators A …, 2025‏ - Elsevier
This review paper explores the advancements in fibre optic hydrophones for their potential
application in offshore carbon storage monitoring. As global carbon dioxide (CO 2) …

Distributed fiber voice sensor based on phase-sensitive optical time-domain reflectometry

Y Wu, J Gan, Q Li, Z Zhang, X Heng… - IEEE photonics …, 2015‏ - ieeexplore.ieee.org
A fiber-optic phase-sensitive optical time-domain reflectometry ('-OTDR) distributed sensing
system has been proposed and demonstrated for human-voice detecting and reproducing …

High stability and low harmonic distortion PGC demodulation technique for interferometric optical fiber sensors

Z Yu, H Dai, M Zhang, J Zhang, L Liu, X **… - Optics & Laser …, 2019‏ - Elsevier
Phase generation carrier (PGC) demodulation technique is widely adopted in the field of
interferometric optical fiber sensors, for its high sensitivity, good linearity and large dynamic …

Active linearized PGC demodulation with fusion of PGC-Arctan and PGC-DCM schemes for nonlinear error elimination in SPM interferometer

B Chen, J Jiang, Y Lou, L Yan - Optics Express, 2022‏ - opg.optica.org
To eliminate the nonlinear error of phase generated carrier (PGC) demodulation in
sinusoidal phase modulating interferometer (SPMI), an active linearized PGC demodulation …