fibre Bragg grating sensor system
Optimization of the accelerated curing process of concrete using a fibre Bragg grating-based control system and microwave technology
... Photosensitive fibre (Fibercore SM1500) was illuminated using an ATLEX 300-SI laser at 248 ...the sensor probes were wrapped in PTFE tape to prevent the freshly mixed concrete from entering the ...
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Underwater free-vibration analysis of full-scale marine propeller using a Fibre Bragg Grating-based sensor system
... individual sensor to be as closely comparable to those obtained from the other ...optical fibre array next to the trailing edge of the blades was used as a reference for normalizing the captured amplitudes ...
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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 ...FBG-based sensor system is based on monitoring of the wavelength shift of the reflected ...
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Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strands
... The sensors presented here were fabricated for a small scale test of a sensor system involving twenty four (12 strain and 12 temperature) sensors. They were attached to four steel pre- stressing strands to ...
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Fiber bragg grating-based system for 2-D analysis of vibrational modes of a steel propeller blade
... Examples of typical time domain plots captured during vibration tests from the five FBGs along one fibre are shown in Fig. 3(a). The corresponding FFT spectra of these transient signals are shown in Fig. 3(b). ...
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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
... NIR-FBG system for structural monitoring is among the significant achievement in this ...NIR-FBG system is able to provide excellent and reliable results, particularly for composite thin ...the ...
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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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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 ...
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Comprehensive monitoring of electrical machine parameters using an integrated fibre Bragg grating-based sensor system
... the sensor material to avoid problems of electrical ...‘all-in-one’ sensor system discussed has the potential to replace conventional systems that require a separate sensor/system for ...
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An outdoor fibre bragg grating temperature sensor
... effective sensor system which can detect any sudden changes in strain, pressure, and ...temperature sensor in a variety o f fields, such as medical, construction, manufacturing, industry, and many ...
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The functionality of fiber bragg grating sensor compared to that of foil gaug
... fiber Bragg grating (FBG) sensors are widely accepted in almost all ...the Bragg grating sensor is being studied in this ...fiber Bragg grating sensors for measuring ...
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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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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
... and fibre strain sensors was first proposed to detect small magnetic fields in 1980 [2] and achieved in 1983 ...the fibre sensor; bonding, coating and doping [7– ...
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A Low-power Fiber Bragg Grating Sensor Interrogation System for High-speed Sensing.
... four sensor network occurred at the third step, where overlapping of FBG1 and FBG2 created a spectral shape similar to that of ...FBG system, a 5% difference in their reflectivity is prescribed to guarantee ...
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Fiber Bragg Grating (FBG) is Used as Modeling and Simulation for Temperature Sensor
... The refractive index and grating period are the important properties of Fiber Bragg Grating .so we will study the effect of refractive index of FBG and grating period in sensor ...
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Tuneable Photonic Fiber Bragg Grating for Magnetic Field Sensor
... of grating planes in the core of ...the Bragg condition ...fiber Bragg grating. The grating period and length of the grating, together with the strength of the variation of the ...
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Optical based sensors for monitoring corrosion of reinforcement rebar via an etched cladding Bragg grating
... FBG sensor was reached the maximum peak at approximately ...FBG sensor provided reading and was still functional until the end of the test on day ...
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Development of the Biopolymeric Optical Planar Waveguide with Nanopattern
... This section provides the basic mathematical foundation that will be used to design and perform data analysis of the proposed planar waveguide grating sensor. This sec- tion starts by providing the ...
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COMPENSATION OF DISPERSION IN OPTICAL FIBER USING FIBER BRAGG GRATING (FBG)
... fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others ...fiber ...
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Sensor Network for In-Situ Failure Identification in Woven Composites after Impact Events.
... The prepared composite specimens were subjected to multiple low-velocity impacts in the drop tower shown in Figure 2.5. The drop tower was instrumented with a piezoelectric accelerometer and magnetorestrictive position ...
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