Distributed fiber-optic vibration sensors receive extensive investigation and play a significant
role in the sensor panorama. Optical parameters such as light intensity, phase, polarization …

In recent years, pattern recognition technologies for distributed optical fiber vibration sensing
have attracted more and more attention, aiming to intelligently recognize vibration events …

The optical fiber acoustic sensing system is suitable for long-distance monitoring of the
acoustic signals generated by the external disturbances. According to the continuity of …

In unmanned monitoring such as perimeter security, pipeline detection, railway security, and
so on, it is still a challenging task to accurately locate the irregular vibration events …

A distributed optical fiber sensing system merged Mach-Zehnder interferometer and phase
sensitive optical time domain reflectometer (φ-OTDR) system for vibration measurement with …

We demonstrate the design and characterization of a distributed optical fiber sensing system
based on Michelson interferometer of the phase sensitive optical time domain reflectometer …

Acoustic sensing is nowadays a very demanding field which plays an important role in
modern society, with applications spanning from structural health monitoring to medical …

An asymmetric dual Mach–Zehnder interferometry (ADMZI) design is proposed to achieve
distributed fiber vibration sensing at long range. In this structure, we utilized two distributed …

Multipoint acoustic sensing system plays an important role in industrial applications. Here, a
diaphragm based optical fiber sensor array is proposed, in which each sensor tip is made of …

Distributed static and dynamic sensing is demonstrated with an ultra-short fiber Bragg
grating (USFBG) array. The USFBGs serve as the sensors and reflection mirrors at the same …