This paper reports the use of optical fiber Bragg-grating (FBG) sensors to monitor the stress waves generated below ground during pile driving, combined with measurements using conventional pile drivi...
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The paper presents the results of a numerical analysis of the stresses in a polymer composite material (PCM) in the vicinity of an optical fiber embedded in the material, and the results
2. Theory and models of FBG Fiber Bragg Grating (FBG) technology is one of the most popular choices for optical fiber sensors for strain or temperature measurements due to their simple manufacture, as
This study investigates the behaviour of resonant wavelengths of Fiber Bragg Gratings (FBG) inscribed within optically isotropic fibers under transverse loading, both in free and embedded
Abstract This study investigates the influence of strain state distribution on the accuracy of embedded optical fiber Bragg gratings (FBGs) used as strain sensors.
A series of numerical experiments were proposed for estimating errors in the strain value calculations made on the basis of the data recorded by a fiber-optic sensor embedded in the
Abstract and Figures This research explores the deployment of Fiber Bragg Grating (FBG) fiber-optic sensors for embedded, high-precision
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
A compact fiber Bragg grating (FBG)-based strain sensor has been developed by embedding an FBG inside a 3D-printed structure, allowing the comparison
A new effective stress-based approach to predict axial pile capacity has been proposed, which is currently being calibrated and checked through
A fiber Bragg grating (FBG) sensor with an unbalanced Mach-Zehnder fiber interferometer for the shock stress measurement is proposed and demonstrated. An analysis relationship between the shock
1. Introduction Fiber Bragg Grating (FBG) sensors have emerged as a prominent technology in the field of optical sensing, offering unique advantages such as high sensitivity, immunity to electromagnetic
The DSS is a fiber optic sensing tool for taking distributed measurements of temperature and strain. The DSS uses swept-wavelength interferometry to
In this paper it is proven that optical fibers with Bragg gratings can be used to detect impacts, and also that a high-frequency interrogator is necessary to collect valuable information
At first it is possible to measure the temperature with a pure temperature-measuring FBGS and secondly to measure the temperature impact using a temperature compensation FBGS.
Abstract— The article presents the experimental results of the measurement of strains with fiber-optic strain sensors based on Bragg gratings embedded into the material. he following
The fiber optic grating sensors have been used in this research work in static operating conditions. The feasibility of using a FBG sensor system in real
In addition to the experiments demonstrating the possibility of measuring strains with fiber-optic strain sensors based on Bragg gratings embedded into the material, the results of a
In this example, a bend sensor based on fiber Bragg grating (FBG) is demonstrated. The change of both physical length and strain-dependent refractive index of the
Fiber Bragg Gratings or FBGs have achieved significant attention towards sensing and communication applications due to their outstanding advantages. Due to its high sensitivity towards
Abstract: This paper reports the use of optical fiber Bragg-grating (FBG) sensors to monitor the stress waves generated below ground during pile driving, combined with measurements using conventional
In recent years, much attention has been paid towards optical fibre sensing technology for geotechnical health monitoring. This paper highlighted different types of optical fibre with a special
In this study, a novel, repeatable, and reliable method for measuring stress on the surface of articular cartilage in articular joints is presented. Small Fiber Bragg Grating (FBG) sensors
Fiber Bragg grating technology is popularly used in measurements of various physical parameters, such as pressure, temperature, and strain for civil engineering, industrial engineering, military, maritime,
Learn how fiber Bragg grating sensors perform strain measurement that ensures proper material performing and safe and durable equipment.
Fiber Bragg grating technology is popularly used in measurements of various physical parameters, such as pressure, temperature, and strain for civil
This research explores the correlation between impacting projectile characteristics (specifically, density and diameter) and the resulting impact force, utilizing deployed high