Phase-sensitive optical time-domain reflectometry (Φ-OTDR) has attracted numerous
attention due to its superior performance in detecting the weak perturbations along the fiber …

Fiber–optic sensors have been widely deployed in various applications, and their use has
gradually increased since the 1980 s. Distributed fiber–optic sensors, which enable …

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 …

With the oil and gas industry growing rapidly, increasing the yield and profit require
advances in technology for cost-effective production in key areas of reservoir exploration …

This letter proposed and demonstrated a wavelet technique to reduce the time domain noise
to get submeter spatial resolution in the distributed vibration sensor based on phase optical …

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

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 …

Real-time monitoring of large marine structures' health, including drilling platforms,
submarine pipelines, dams, and ship hulls, is greatly needed. Among the various kinds of …

The distributed vibration or dynamic strain information can be obtained using time-resolved
optical frequency-domain reflectometry. Time-domain information is resolved by measuring …

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 …