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 …

Interrogating a remote passive-sensor with high fidelity is one of the biggest challenges in
the sensing domain. Recently, random fiber laser (RFL) combined with remote fiber sensors …

The additive noise in the condition monitoring system using fiber Bragg grating (FBG)
sensors, including white Gaussian noise and multifrequency interference, has a significantly …

In the field of the Internet of Things, sensors with large-scale perception ability are urgently
needed for the scenarios, such as structure health monitoring, vehicle tracking, and so on …

Quasi-distributed acoustic sensing (Q-DAS) based on ultra-weak fiber Bragg grating
(UWFBG) is currently attracting great attention, due to its high sensitivity and excellent …

Real-time monitoring of unauthorized working activities above the subway tunnel is an
intractable issue. Illegal drill rig working is one of the most threatening way of intrusion …

In comparison to current techniques, optical fiber sensors (OFS) for structural health
monitoring (SHM) of steel fibre reinforced concrete (SFRC) tunnel lining segments is an …

In this letter, to break through the response bandwidth limit of quasi-distributed acoustic
sensing system, a novel interleaved chirped pulses (ICP) approach is proposed on the basis …

Ocean temperature monitoring is of great significance to marine fishing, aquaculture, and
marine operations. Traditional electric sensors lack the potential to multiplex several …

High-spatial-resolution distributed sensing at high temperature is crucial in many industrial
areas, such as aero-engines, nuclear power, furnaces, and fuel cells. Here, we propose and …