Results 31 to 40 of about 22,346 (302)

Field-Deployable Fiber Optic Sensor System for Structural Health Monitoring of Steel Girder Highway Bridges

open access: yesInfrastructures, 2022
Structural health monitoring of highway bridges is a vital but currently challenging aspect of infrastructure engineering due to the number of sensors required, power requirements, and harsh environmental conditions.
Renxiang Lu, Johnn Judd
doaj   +1 more source

Applications of fiber-optic sensors [PDF]

open access: yesProceedings., 39th Electronic Components Conference, 1990
The authors discuss the basic principles and applications of optical-fiber sensor technology, outlining the various sensing mechanisms which can be utilized to influence the propagation of light in an optical fiber and the various sensor types-intensity, phase-modulated (interferometric), intrinsic, and extrinsic.
Kersey, A. D., Dandridge, Anthony
openaire   +1 more source

Radio-frequency ring resonators for self-referencing fiber-optic intensity sensors [PDF]

open access: yes, 2005
A theoretical and experimental study of radiofrequency ring resonators (RR) for referencing and improving the sensitivity of fiber-optic intensity sensors (FOS) is reported.
Contreras Lallana, Pedro   +2 more
core   +1 more source

Fiber-Optic Localized Surface Plasmon Resonance Sensors Based on Nanomaterials

open access: yesSensors, 2021
Applying fiber-optics on surface plasmon resonance (SPR) sensors is aimed at practical usability over conventional SPR sensors. Recently, field localization techniques using nanostructures or nanoparticles have been investigated on optical fibers for ...
Seunghun Lee   +5 more
doaj   +1 more source

Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors [PDF]

open access: yes, 2006
Lead sensitivity in low-coherence interferometric fiber-optic sensors is a well-known problem. It can lead to a severe degradation in the sensor resolution and accuracy through its effect on the fringe visibility and interferometric phase.
Flockhart, G M H   +2 more
core   +1 more source

Fiber Optic Sensing Technologies for Battery Management Systems and Energy Storage Applications

open access: yesSensors, 2021
Applications of fiber optic sensors to battery monitoring have been increasing due to the growing need of enhanced battery management systems with accurate state estimations.
Yang-Duan Su   +4 more
doaj   +1 more source

Research Progress of Applying Distributed Fiber Optic Measurement Technology in Hydraulic Fracturing and Production Monitoring

open access: yesEnergies, 2022
With the exploration and development of unconventional oil and gas resources, downhole environmental monitoring and data-analysis technologies are becoming more and more important.
Yilin Wang, Zhuoping Wu, Fuyong Wang
doaj   +1 more source

Optical fiber sensing based on reflection laser spectroscopy [PDF]

open access: yes, 2010
An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in fibers of different types are used for strain, temperature and ...
De Natale, Paolo   +34 more
core   +1 more source

Guided Wave and Damage Detection in Composite Laminates Using Different Fiber Optic Sensors

open access: yesSensors, 2009
Guided wave detection using different fiber optic sensors and their applications in damage detection for composite laminates were systematically investigated and compared in this paper.
Fucai Li   +3 more
doaj   +1 more source

Multi-Stress Monitoring System with Fiber-Optic Mandrels and Fiber Bragg Grating Sensors in a Sagnac Loop

open access: yesSensors, 2015
Fiber Bragg grating sensors are placed in a fiber-optic Sagnac loop to combine the grating temperature sensors and the fiber-optic mandrel acoustic emission sensors in single optical circuit.
Hyunjin Kim, Umesh Sampath, Minho Song
doaj   +1 more source

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