fiber Bragg grating based sensors
Reflected Spectra Profile Tracking of Multiplexed Fiber Bragg Grating Sensors.
... the fiber and tracks the time it takes for the reflections to return to the ...the fiber it is physically located. In this way each grating can be identified based on the time it takes the ...
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Design and Modeling of a High Sensitivity Fiber Bragg Grating-Based Accelerometer
... model based on double-point encapsulation which has been established shows a sensitivity obtained which is greater than other sensor designs when viewing this within a similar frequency band [17], [19], ...other ...
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An Interrogation System for Spectrally Multiplexed Fiber Bragg Grating Sensors
... Optical fiber sensor technology is an extremely promising and fast growing ...Today, fiber optic sensors have become essential device for process control in measurement systems, finding countless ...
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Strain Measurement Using Embedded Fiber Bragg Grating Sensors Inside an Anchored Carbon Fiber Polymer Reinforcement Prestressing Rod for Structural Monitoring
... of Bragg grating-based optical fiber sensors written into a very short length (60 mm) optical fiber network and integrated into carbon fiber polymer reinforcement (CFPR) ...
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In-situ Cure Monitoring of a Self-Healing Composite Sandwich Structure Using Fiber Bragg Grating Sensors.
... temperature. Based on the results of the controlled resin cure experiments, it was expected that the higher values for peak temperature would be indications of a more robust and better mixed composition of resin ...
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Three dimensional shape and stress monitoring of bulk carriers based on iFEM methodology
... from fiber Bragg grating (FBG) sensors, are processed by the developed iFEM ...accuracy. Based on the displacement and stress comparison between iFEM and the reference solutions, it was ...
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Damage Monitoring in Woven Composites Using Fiber-Bragg Grating Sensors on Multiple Time Scales
... 1995), sensors could be located closer to the point of impact and survive for a greater percentage of the life of the sample while yielding much more useful information about the health of the ...embedded ...
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Novel Negative Pressure Wave-based Pipeline Leak Detection System Using Fiber Bragg Grating-based Pressure Sensors
... By contrast, FBG techniques have been widely used and shown themselves robust for structural condition monitoring, due to their straightforward multiplexing capability, ease of the sensors being embedded, high ...
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Actualities and Development of Heavy-Duty CNC Machine Tool Thermal Error Monitoring Technology
... the fiber Bragg grating strain sensor to large structural deformation ...the fiber Bragg ...using fiber Bragg ...(WDM) based fiber Bragg ...
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High-speed, solid state, interferometric interrogator and multiplexer for fiber Bragg grating sensors
... fibre Bragg grating sensors. The scheme is based on the combination of active WDM channel switching and passive, instantaneous interferometry, allowing the resolution of virgin interferometric ...
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Evaluation of the durability and performance of FBG-based sensors for monitoring moisture in an aggressive gaseous waste sewer environment
... tailored Fiber Bragg grating (FBG)-based humidity sensors have been evaluated in situ to examine their durability, time response and stability when used in measurements over an extended ...
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Slope Detection Based on Grating Sensors
... the fiber to form a row of mutu- ally parallel, equally spaced ...the fiber, and the refractive index of the fiber changes along the axial ...that fiber Bragg gratings have emerged. ...
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Fiber bragg grating sensors for pH and humidity measurement
... optical fiber which allows the measurement of measurand at different places on a large structure to be relatively easily ...the grating parameter to temperature and ...the grating parameter to ...
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The Design of Fiber Bragg Grating Temperature Measurement System Based on Labview
... the fiber Bragg grating sensor demodulation system, which was based on virtual instru- ment labview and it developed a friendly upper monitor ...software. Based on the LM algorithm, the ...
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DESIGNAND SIMULATIONOF FIBER BRAGG GRATING BASEDSENSORS
... Fiber Bragg grating is attracting considerable interest for application as sensing element, because of their intrinsic nature and inherent wavelength encoded operation ...[1].FBG-based ...
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Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications
... strain sensors capable of generating a strain map of the structure, (ii) a shape correcting panel containing an array of shape or curvature sensors and (iii) a health monitoring system based on ...
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Enhancement of Ultrasonic Lamb Wave Transfer to Fiber Bragg Grating Sensors through Remote Bonding.
... different sensors is to eliminate apparent sensitivity changes due to coupling and splicing ...15 sensors together, the spliced FBGs are divided into clusters as shown in Figure ...a fiber-optic ...
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Structural Integrity Tests of the Containment Structures of Nuclear Power Plants with Fiber Bragg Grating Sensors
... FBG sensors are subsidiary installed near the extensometers that are the ordinary main sensors to detect the movement of containment structure during ...FBG sensors are installed. Two FBG ...
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Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors
... erbium-doped fiber amplifier (EDFA) with a DOP less than 3%, and the Bragg grating is approximately 3 mm in length, written into SMF-28 fiber with a peak reflectivity of 1% and λ B = 1549 ...
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Novel concept of multi-channel fiber optic surface plasmon resonance sensor
... element based vectorial models in conjunction with perturbation technique for the analysis of surface plasmon modes in optical waveguides at optical and terahertz ...
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