Results 11 to 20 of about 15,120 (254)

Optical Fiber Sensors: Working Principle, Applications, and Limitations

open access: yesAdvanced Photonics Research, 2022
Fiber‐optic technology emerged originally for applications in data transmission and telecommunications. However, sensors based on fiber‐optics have been developed rapidly because of their excellent sensing performances and capability to function in ...
Mohamed Elsherif   +10 more
doaj   +1 more source

A Combined Positioning Method Used for Identification of Concrete Cracks

open access: yesMicromachines, 2021
Fully distributed fiber optic sensors are characteristically used for the measurement of long distances and continuous distribution of space. However, due to the different fiber type, fiber length, ambient temperature and strain, fully distributed fiber ...
Jianzhi Li, Bohao Shen, Junjie Wang
doaj   +1 more source

Microbend fiber-optic sensor [PDF]

open access: yesApplied Optics, 1984
Intensity modulation induced by microbending in multimode fibers is considered as a transduction mechanism for detecting environmental changes such as pressure, temperature, acceleration, and magnetic and electric fields. A generic microbend sensor has been defined and studied, and its components, such as sensing fiber, light source, optical fiber ...
N, Lagakos, J H, Cole, J A, Bucaro
openaire   +2 more sources

Optical Fiber Sensors for High-Temperature Monitoring: A Review

open access: yesSensors, 2022
High-temperature measurements above 1000 °C are critical in harsh environments such as aerospace, metallurgy, fossil fuel, and power production. Fiber-optic high-temperature sensors are gradually replacing traditional electronic sensors due to their ...
Shaonian Ma   +8 more
doaj   +1 more source

Recent Advancements of LSPR Fiber-Optic Biosensing: Combination Methods, Structure, and Prospects

open access: yesBiosensors, 2023
Fiber-optic biosensors based on localized surface plasmon resonance (LSPR) have the advantages of great biocompatibility, label-free, strong stability, and real-time monitoring of various analytes.
Hongxin Zhang   +5 more
doaj   +1 more source

Fiber optic jerk sensor

open access: yesOptics Express, 2022
Jerk is directly related to a physical mutation process of structural damage and human comfort. A fiber optic jerk sensor (FOJS) based on a fiber optic differentiating Mach–Zehnder interferometer is proposed. It can directly measure jerk by demodulating the phase of interference light, which avoids the high-frequency noise interference caused by ...
Huicong Li   +3 more
openaire   +2 more sources

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

Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging

open access: yesBiosensors, 2023
Optical fiber sensors based on tapered optical fiber (TOF) structure have attracted a considerable amount of attention from researchers due to the advantages of simple fabrication, high stability, and diverse structures, and have great potential for ...
Wen Zhang   +6 more
doaj   +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

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

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