fibre Bragg grating sensors
Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring
... of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition ...monitoring. Sensors and Actuators A: Physical, 148(1), ...
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Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strands
... packaged fibre Bragg grating sensors for temperature and strain ...four sensors were fabricated via an induction brazing ...of sensors had been fabricated allowing for a ...
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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
... Theoretically, an AE system can easily detect an imperfection in loaded composite structures. When a load is applied on a composite laminate, in the micro level, it will starts deforming. Consequently, the elastic strain ...
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Field tests of fibre Bragg grating sensors incorporated into CFRP for railway bridge strengthening condition monitoring
... gauge sensors that had previously been mounted showed that Regina and Freight trains reached a strain level of approximately up to ± 5 when it passed over the bridge (see ...
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Simulation of fibre Bragg grating (FBG) reflection spectrums using OptiGrating
... 1550nm fibre Bragg grating sensors embedded in glass fibre reinforced plastic samples manufactured with known ...and fibre optical grating design software (OptiGrating ...
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Fibre Bragg Grating-based Cascaded Acoustic Sensors for Potential Marine Structural Condition Monitoring
... fiber sensors for a variety of industrial applications, including structural health monitoring, early fire detection, homeland security, process monitoring, food quality, and automotive emission monitoring, and ...
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Fiber bragg grating-based system for 2-D analysis of vibrational modes of a steel propeller blade
... using Fibre Bragg Grating (FBG)-based sensors to investigate the displacement mode shapes of a cantilevered steel propeller blade, using FBG arrays for vibration monitoring for the first ...
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An outdoor fibre bragg grating temperature sensor
... FBG sensors are dielectric and virtually immune to electromagnetic interference ...distributed sensors are different from point ...optical fibre. They would permit the use of power sensors and ...
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A Kinematic Model to Compensate the Structural Deformations in Machine Tools Using Fibre Bragg Grating (FBG) Sensors
... through Fibre Bragg Grating (FBG) sensors embedded in the MT ...Carbon Fibre Reinforced Polymers (CFRP), equipped by FBG sensors that are able to measure in real-time the ...
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The use of Fibre Bragg Grating (FBG) sensors in geotechnical applications
... The results obtained from the FBG soil sensor when Failure Mode I (Rotation around the Base) was Figure 5.13 is compared to the , it can be seen that the results are very similar. The maximum deformation for the FBG ...
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Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces
... AE sensors, two main detection methods are reported [22] – using a tunable laser with its line centre at a wavelength at the 3dB position in the FBG reflection ...
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Optical based sensors for monitoring corrosion of reinforcement rebar via an etched cladding Bragg grating
... The fibre grating was mounted in temperature compensated housing for fibre ...the fibre was initially etched to a diameter close to the diameter of the fibre to 25 μm for about 45 min ...
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FBG-based fibre-optic current sensors for power systems protection : laboratory evaluation
... developed fibre-optic point sensors for voltage and electrical current, based on fibre Bragg grating (FBG) technology, that have been applied successfully to power systems diagnostics ...
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The exploitation of thin film coatings for fibre sensors for the application of chemical sensing
... chemical sensors, including long period gratings (LPGs) [1, 2, 3], fibre Bragg gratings (FBGs) and tilted fibre Bragg gratings ...these sensors are used to detect the heavier ...
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The developments of structural health/integrity monitoring systems using FBG sensors at CEEFC of USQ
... in fibre optic sensor technologies have provided great opportunities to develop more sophisticated in- situ SHM ...using Fibre Bragg Grating (FBG) ...
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Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields
... Magnetic sensors are widely used to control and analyse a wide range of devices and natural and manmade processes, examples of which are linear and rotary position sensing, current sensing, the measurement of ...
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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, ...bend sensors capable of curvature measurement ...
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Acousto optic superlattice modulator using Fibre Bragg grating
... undisturbed Bragg grating and the spectrum of the enhancement in reflectivity due to the acoustic wave are plotted in ...from Bragg wavelength is in each case approximately ...
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Reflected Spectra Profile Tracking of Multiplexed Fiber Bragg Grating Sensors.
... The process for gluing gratings to the rubber backing began with the rubber itself. The rubber used was from small, 6x6 squares of .32 cm rubber for general plumbing purposes. Its hardness was roughly 60A Shore ...
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Self-Monitoring Fiber Reinforced Polymer Retrofits
... a Bragg grating ...the Bragg grating sensor can be ...several Bragg gratings are multiplexed in series and are to be monitored at the same ...a Bragg grating sensor ...
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