Distributed acoustic sensing (DAS) using coherent Rayleigh backscattering in an optical
fiber has become a ubiquitous technique for monitoring multiple dynamic events in real time …

Over the past decades, the development of fibre optic cables, which pass light waves
carrying data guided by total internal reflection, has led to advances in high-speed and long …

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 …

Distributed sensing systems can transform an optical fiber cable into an array of sensors,
allowing users to detect and monitor multiple physical parameters such as temperature …

We propose and experimentally demonstrate a stable homodyne phase demodulation
technique in a ϕ-OTDR using a double-pulse probe and a simple direct detection receiver …

Over the last 37 years, particular interest has been directed towards exploring the
characteristics of the optical environment for sensing, giving rise to what would now be one …

摘要为了解决传统分布式光纤传感系统只针对单一变量进行测量的问题, 研究人员近年来结合多
种光纤传感测量机理, 提出了一系列多机理融合的分布式光纤传感系统, 使用同一系统实现多种 …

Multicore fiber (MCF) which contains more than one core in a single fiber cladding has
attracted ever increasing attention for application in optical sensing systems owing to its …

Distributed acoustic sensors based on chirped-pulse phase sensitive-optical time-domain
reflectometry (chirped-pulse ΦOTDR) have proven capable of performing fully distributed …

The development of few-mode fiber (FMF) has found numerous interesting applications in
optical sensing. Given the remarkable capabilities of FMF, optical sensors of novel …