fibre Bragg grating sensor
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 geophysical ...
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Fibre Bragg Grating-based Acoustic Sensor Array for Improved Condition Monitoring of Marine Lifting Surfaces
... the sensor information – but these are high cost systems, which are hard to ...FBG sensor through an optical filter, whose transmitted intensity will vary with the acoustic pressure ...on sensor ...
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A temperature compensated fibre Bragg grating (FBG)-based sensor system for condition monitoring of electrified railway pantograph
... from fibre Bragg grating (FBG) sensors integrated into a railway current- collecting pantograph for accurate measurement of contact force and contact location when it is subjected to various ...
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The exploitation of thin film coatings for fibre sensors for the application of chemical sensing
... 3], fibre Bragg gratings (FBGs) and tilted fibre Bragg gratings ...most grating based devices is highest for solutions that have an index of approximately ...of sensor based upon ...
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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) ...FBG sensor is well above the ...
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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 ...
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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 ...of ...
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Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strands
... for sensor Ch2Sen1 lie further from the line of best fit compared to Ch0Sen0 (both graphs have the same wavelength scale for ...a sensor be identified as unsuitable for ...
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Comprehensive monitoring of electrical machine parameters using an integrated fibre Bragg grating-based sensor system
... a fibre behaves like a ‘notch filter’ (in transmission), which reflects light at a wavelength (termed the Bragg wavelength) that satisfies the so-called Bragg condition whose effects on temperature ...
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NIR fibre bragg grating as dynamic sensor: an application of 1D digital wavelet analysis for signal denoising
... appropriated sensor system has been well defined as a “smart structure”, that can be used for the implementation of a damage and performance detection strategy for aerospace, civil, and mechanical engineering and ...
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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
... The success of implementing the NIR-FBG system for structural monitoring is among the significant achievement in this study. The case studies which were presented in Section 5.6 have shown that the NIR-FBG system is able ...
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Underwater free-vibration analysis of full-scale marine propeller using a Fibre Bragg Grating-based sensor system
... dynamic Bragg wavelength shifts, monitored from each FBG from all the channels comprising the entire sensor network and caused by the vibrations detected when the propeller blades were excited were captured ...
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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 ...
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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 ...
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Simulation of fibre Bragg grating (FBG) reflection spectrums using OptiGrating
... The research was limited by the sophistication and accuracy of the finite element analysis. The FEA was not able to simulate the micromechanics acting on the sensor, nor was it capable of considering transverse ...
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CHIRPED FIBRE BRAGG INTRAGRATING POSITION AND STRAIN MEASUREMENT SENSOR
... of fibre tapers to fabricate CFBGs has attracted a lot of interest. Fibre tapers alter the waveguide properties of the ...the grating in the region of the ...tapered fibre subjected to a ...
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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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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 ...point ...
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The use of Fibre Bragg Grating (FBG) sensors in geotechnical applications
... The conventional soil strain sensor provided good results for the Retaining Wall Test – Failure It can be seen from both Figure 5.8 and 5.9 that the Failure Mode III causes sudden and dramatically failure of the ...
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Differential phase tracking applied to Bragg gratings in multicore fiber for high accuracy curvature measurement
... the Bragg wavelengths are not identical in the separate cores of the MCF, a correction factor must be included due to the wavelength dependence of the phase shift in (6), before the differential strain is ...the ...
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