Jan 06, 2026
These measured strain and the related calculated displacement data agree fairly well with traditional sensors (such as strain gauges), even when relatively significant ground movement
Aug 11, 2025
The application of Distributed Fiber Optic Sensing for settlement monitoring has the ability to create a continuous profile of strain and settlement over the monitored depth.
Sep 22, 2025
Displacement measurements are of significant importance in a variety of critical scientific and engineering fields, such as gravitational wave detection, geophysical research, and manufacturing
Dec 15, 2025
Here, we present a comprehensive analytical model for multi-axis tilt sensing based on intensity-modulated optical fiber sensors (OFDSs).
Jun 03, 2026
Vertical displacements are one of the crucial parameters defining, for example, the load-carrying capacity of a bridge deck in short- and long-term monitoring. Bridge managers are always
Aug 14, 2025
Optical fiber displacement sensors have attracted a lot of research interests in recent years , , . Compared with electrical sensors, optical fiber displacement sensor has many
Mar 12, 2026
In this work, two systems consisting of single-point and multi-point displacement sensing are built, and the ring-down curves are demodulated using low-cost microcontroller unit and self
May 23, 2026
Monitoring of ground displacements is critical for reliable geohazard risk assessment, construction and exploration. Recent advances in distributed fibre optic sensing allow for
Apr 01, 2026
Presented possibility of application of fiber optics sensors to differential settlement measurement is a new field of application of such sensors
Mar 16, 2026
Distributed fibre optic sensors and measurements conducted with an optical reflectometer based on Rayleigh scattering phenomenon allow to investigate strain changes in concrete and its
Apr 21, 2026
Our paper begins by describing the mathematical model that underlies advanced sensor configurations. We then explain our method for
Apr 04, 2026
This paper presents a linear fiber optic displacement sensor for the use over a large range based on the macro-bending loss. The sensor incorporates an extremely simple design, light source
Mar 24, 2026
displacement, pressure, temperature and electric field. Recently, high precision fiber displacement sensors have received significant attention for applications ranging from industrial to medical fields
Jun 10, 2026
This article reviews specifically the advanced fiber optic displacement sensing techniques that have been developed in the past two decades.
Dec 26, 2025
Fiber optic linear displacement sensor is ideal for real-time monitoring of civil engineering structures, structural monitoring of aircraft, both in-flight and on-ground, smart structures instrumentations,
Aug 05, 2025
An optical fiber buried within the ground would deform due to the tunneling induced ground displacements. Essentially, this is a soil-fiber interaction problem in which the rigidity of the fiber
Apr 13, 2026
The series connection of sensors #1 and #2 demonstrated the feasibility of the developed optical fiber displacement sensor for quasi-distributed deformation monitoring.
May 21, 2026
Accordingly, it is significant to develop a method for performing a precise 3D deformation measurement of underground structure. Many measurement sensors can be used for performing a
Jul 02, 2026
In this paper a new sensor of roof settlement displacement (RSD) monitoring of CRs'' roof by the pre-stretched optical fiber (PSOF) laid out
Oct 09, 2025
ABSTRACT This paper reports on a novel approach to displacement detection in geotechnical structures. To provide an accurate monitoring of soil displacement – giving indications for failure
Jun 16, 2026
Depending on the kind of grating, FBG-based displacement sensors can be long, uniform, chirped, tilted or phase shifted with periodic perturbation of
Jun 11, 2026
The application of Distributed Fiber Optic Sensing for settlement monitoring has the ability to create a continuous profile of strain and settlement over the monitored depth.
Dec 01, 2025
For the application of distributed optical fiber sensors in geotechnical structures – such as soil displacement detection in embankments or settlement detection in foundations – a feasible method is
Feb 23, 2026
In this paper an innovative spring-shaped fiber-optic displacement sensor (SSFODS) based on optical time domain reflectometer (OTDR) technology with simple construction and cheap
Mar 10, 2026
Distributed fiber optic sensing (DFOS) has the ability to transform a standard fiber optic cable into a distributed measurement instrument. This
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