in-fibre-Bragg-grating
Optical based sensors for monitoring corrosion of reinforcement rebar via an etched cladding Bragg grating
... optical fibre [4]. Fuhr reported a fibre corrosion sensor for monitoring roadways and bridges ...of fibre events or faults can be set when detecting the structures internal ...applied Bragg ...
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Smart Fibre 'Bragg Grating' Feasibility Retrofitting Assessment in Nuclear Power Plant Structures (O577)
... the Bragg grating demonstrated the ability to write a periodic change in the core index of refraction in a single-mode optical fibre provides a selective mirror for the wavelength that satisfies the ...
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Bragg grating filters for optical networks
... the fibre. The photosensitive fibre host is held in a straight line by a pair of fibre clamps fixed on an air-cushion supported movable ...of fibre is typically a standard telecom compatible ...
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Fibre Bragg Grating-based Cascaded Acoustic Sensors for Potential Marine Structural Condition Monitoring
... Colum McCague received the M.Eng. degree in structural engineering and the Ph.D. degree in civil engineering from Queen’s University Belfast in 2009 and 2015 respectively. His Ph.D. research focused on the development of ...
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Optical Fibre Bragg Grating Analysis Through FEA and its Application to Pressure Sensing
... of fibre optic wire or “Optical Waveguide Fibres” by Corning Glass researchers in 1960 has had a tremendous impact on global communication as it revolutionized the telecommunications ...industry. Fibre ...
153
NIR fibre bragg grating as dynamic sensor: an application of 1D digital wavelet analysis for signal denoising
... Engineered Fibre Composites, University of Southern Queensland (Australia) • Department of Industry, Innovation, Climate Change, Science, Research and Tertiary Education, Australian Government • Engineers ...
14
Fiber bragg grating-based system for 2-D analysis of vibrational modes of a steel propeller blade
... optical fibre sensors for a variety of industrial applications, including structural condition monitoring, early fire detection, homeland security, process monitoring, food quality and environmental ...
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Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces
... tailored fibre optic sensors and the excellence of the cross-comparison between their outputs and those from conventional PZT sensors widely used in ...both fibre optic and electrical sensors when the ...
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Comprehensive monitoring of electrical machine parameters using an integrated fibre Bragg grating-based sensor system
... optical fibre-based, quasi-distributed, sensing system in electrical machines for real-time ...the fibre sensors’ reduced spatial envelope and immunity to electromagnetic interference, critically important ...
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Implementation of vectorial bend sensors using long-period gratings UV-inscribed in special shape fibres
... In-fibre grating-based sensors have many advantages over conventional electric and alternative fibre optic sensor configurations [1, ...demonstrated fibre grating-based (including ...
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Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring
... the Bragg wavelengths which have previously been calibrated against the strain in the system and produces a synchronous ana- logue signal to control the scanning of the Fabry-Perot filter (used for wavelength ...
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Underwater free-vibration analysis of full-scale marine propeller using a Fibre Bragg Grating-based sensor system
... optical fibre sensors for a variety of industrial applications, including structural condition monitoring, early fire detection, homeland security, process monitoring, food quality and environmental ...
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Optimization of the accelerated curing process of concrete using a fibre Bragg grating-based control system and microwave technology
... The FBGs used in the manufacture of the probes employed were manufactured using the phase mask technique. Photosensitive fibre (Fibercore SM1500) was illuminated using an ATLEX 300-SI laser at 248 nm. The gratings ...
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A temperature compensated fibre Bragg grating (FBG)-based sensor system for condition monitoring of electrified railway pantograph
... optical fibre with periodically modulated core refractive index in such a way it creates a narrow band ...reflected Bragg signal, as a function of a measurand, such as strain or temperature applied to the ...
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Cascadability of Uniform Fibre Bragg Grating for 40 Gbit/s RZ OOK to NRZ OOK Conversion
... The BGFS 2.6 simulation program was used to obtain FBG transfer function. Transfer matrix method is employed in BGFS 2.6 simulation program to simulate different configurations of FBG filters. It is applied to solve the ...
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A Kinematic Model to Compensate the Structural Deformations in Machine Tools Using Fibre Bragg Grating (FBG) Sensors
... The proposed solution is based on the use of a multiplexed optical fiber sensor with a sufficient number of Bragg gratings for strains measuring (in specific reticular grid points) embedded in the structure. The ...
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The applications of near infra-red fibre bragg grating sensors for wave propagation based structural health monitoring of thin laminated composite plates
... SHM is relatively young, but it shows promising results especially with the inte- gration of existing non-destructive evaluation (NDE) technology into SHM sys- tems such as ultrasonic evaluation, Acoustic Emission ...
213
Simulation of fibre Bragg grating (FBG) reflection spectrums using OptiGrating
... the fibre-reinforced lamina with a laminate (O'Brien ...and fibre, or introduced via manufacturing flaws (Reddy ...incorrect fibre orientation, damaged fibres and ...
178
An outdoor fibre bragg grating temperature sensor
... FBG sensors are dielectric and virtually immune to electromagnetic interference (EMI). It can withstand against hostile environment, including in high and excessive temperature. It can be used to measure high ...
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Acousto optic superlattice modulator using Fibre Bragg grating
... a Bragg wavelength of ...fiber grating was spliced directly to the ...the grating is upshifted or downshifted, the light was mixed at a square-law detector with light frequency shifted in a ...
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