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 …

Fiber optic sensors have become a mainstream sensing technology within a large array of
applications due to their inherent benefits. They are now used significantly in structural …

This article proposes an intrusion pattern recognition scheme based on Gramian Angular
Field (GAF) and convolutional neural network (CNN) for the dual Mach-Zehnder Interference …

In this paper, a review of multicore fiber interferometric sensors is given. Due to the
specificity of fiber structure, ie, multiple cores integrated into only one fiber cladding …

A novel ultra-long distributed vibration sensor using forward transmission, coherent
detection, and a frequency-shifted optical delay line is proposed and experimentally …

This study proposes a multiple intrusion event recognition scheme in a fiber optic distributed
acoustic sensing (DAS) system. The variational mode decomposition (VMD) algorithm is …

This paper proposes an event discrimination algorithm with probabilistic output for fiber optic
perimeter security systems. Multiscale permutation entropy and the zero-crossing rate are …

An improved algorithm named “twice-FFT” for multi-point intrusion location in distributed
Sagnac sensing system is proposed and demonstrated. To find the null-frequencies more …

Owing to constantly increasing energy density and power density, thermal runaway is
becoming the most dangerous event in lithium‐ion batteries, while gas sensing can provide …

In order to accurately and efficiently identify different types of intrusion signals of optical fiber
perimeter security systems, this paper proposes a novel intrusion signal recognition method …