Results 1 to 10 of about 2,554 (241)

Low-Coherence Integrated Optical Interferometer for Fibre Optic Sensors [PDF]

open access: yesSensors
This paper proposes and implements a novel scheme for recording signals from fibre optic sensors based on tandem low-coherence interferometry with an integrated optical reference interferometer.
Petr Volkov   +9 more
doaj   +4 more sources

Special Issue “Fibre Optic Sensors for Structural and Geotechnical Monitoring” [PDF]

open access: yesSensors, 2020
In this editorial on the special issue “Fibre Optic Sensors for Structural and Geotechnical Monitoring” a review of the contribution papers selected for publication is given.
Michele Arturo Caponero
doaj   +2 more sources

The Proper Use of Fibre-Optic Sensors to Monitor the Condition of the Steam Boiler Hanger Rods [PDF]

open access: yesSensors, 2023
Fibre optic sensors with integrated Bragg gratings are widely used in the diagnostics of machinery and equipment. They achieved their popularity thanks to their relatively simple operating principles.
Magdalena Palacz   +4 more
doaj   +2 more sources

Fibre Optic Sensors for Selected Wastewater Characteristics [PDF]

open access: yesSensors, 2013
Demand for online and real-time measurements techniques to meet environmental regulation and treatment compliance are increasing. However the conventional techniques, which involve scheduled sampling and chemical analysis can be expensive and time ...
Sulaiman W. Harun   +2 more
doaj   +2 more sources

Challenges in Adapting Fibre Optic Sensors for Biomedical Applications [PDF]

open access: yesBiosensors
Fibre optic sensors (FOSs) have developed as a transformative technology in healthcare, often offering unparalleled accuracy and sensitivity in monitoring various physiological and biochemical parameters.
Sahar Karimian   +6 more
doaj   +2 more sources

Structural Health Monitoring Using Fibre Optic Acoustic Emission Sensors

open access: yesSensors, 2020
Acoustic emission (AE) is widely used for condition monitoring of critical components and structures. Conventional AE techniques employ wideband or resonant piezoelectric sensors to detect elastic stress waves propagating through various types of ...
James Owen Willberry   +2 more
doaj   +3 more sources

Comparative Study of Strain Measurement Techniques for Assessing Creep in CFRP Tendons [PDF]

open access: yesSensors
The long-term viscoelastic behaviour of epoxy matrices in Carbon Fibre-Reinforced Polymer (CFRP) tendons can lead to creep strains which must be accurately quantified to improve the current necessarily conservative design guidelines for bridge ...
Alexandra Boloux   +3 more
doaj   +2 more sources

A Review of Distributed Fibre Optic Sensors for Geo-Hydrological Applications

open access: yesApplied Sciences, 2017
Distributed optical fibre sensing, employing either Rayleigh, Raman, or Brillouin scattering, is the only physical-contact sensor technology capable of accurately estimating physical fields with spatial continuity along the fibre. This unique feature and
Luca Schenato
doaj   +3 more sources

Improved demodulation method for fibre optic sensors applied in transformer partial discharge detection

open access: yesHigh Voltage, 2023
The 2 × 2 couplers, as a demodulation core of the fibre optic sensing system, have been extensively employed in fibre optic sensors for partial discharge (PD) detection of power equipment.
Jixian Qiao   +3 more
doaj   +1 more source

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