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Fiber Bragg Grating Sensors,

Structural Integrity Tests of the Containment Structures of Nuclear Power Plants with Fiber Bragg Grating Sensors

Structural Integrity Tests of the Containment Structures of Nuclear Power Plants with Fiber Bragg Grating Sensors

... typical fiber optic sensors, fiber Bragg grating sensors (FBGs) and fiber optic Fabry-Perot sensors are widely ...used. Fiber optic Fabry-Perot sensor is ...

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Strain Measurement Using Embedded Fiber Bragg Grating Sensors Inside an Anchored Carbon Fiber Polymer Reinforcement Prestressing Rod for Structural Monitoring

Strain Measurement Using Embedded Fiber Bragg Grating Sensors Inside an Anchored Carbon Fiber Polymer Reinforcement Prestressing Rod for Structural Monitoring

... of fiber Bragg grating sensors (FBGs) to make strain measurements along conventional reinforcement bars ...FBG sensors is fabricated along a very short length of fiber to allow ...

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Fiber bragg grating sensors for pH and humidity measurement

Fiber bragg grating sensors for pH and humidity measurement

... Sensor pH dan sensor kelembapan telah menerima banyak perhatian kerana penggunaannya adalah amat penting dalam pelbagai bidang. Sensor gentian optik telah diperkenalkan dan dikaji untuk mengatasi had daripada sensor pH ...

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Enhancement of Ultrasonic Lamb Wave Transfer to Fiber Bragg Grating Sensors through Remote Bonding.

Enhancement of Ultrasonic Lamb Wave Transfer to Fiber Bragg Grating Sensors through Remote Bonding.

... Other previous studies have worked on maximizing the wave transfer from a structure to an FBG sensor. For example, Sakai et al. (2016) demonstrated the enhancement of FBG output response by using an acoustic lens. The ...

152

In-situ Cure Monitoring of a Self-Healing Composite Sandwich Structure Using Fiber Bragg Grating Sensors.

In-situ Cure Monitoring of a Self-Healing Composite Sandwich Structure Using Fiber Bragg Grating Sensors.

... The fiber was positioned horizontally so that it could be immersed in the fluid with less chance of ...the fiber to slide freely in a thin layer of wax, as shown in the diagram of Figure ...

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Damage Monitoring in Woven Composites Using Fiber-Bragg Grating Sensors on Multiple Time Scales

Damage Monitoring in Woven Composites Using Fiber-Bragg Grating Sensors on Multiple Time Scales

... At the time of this study, the BYU instrumentation recorded data at approximately 0.8 M samples/second. Although the MEMS filter and data acquisition electronics were capable of operating much faster, with filter ...

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The use of fiber Bragg grating sensors in biomechanics and rehabilitation applications: the state of the art and ongoing research topics

The use of fiber Bragg grating sensors in biomechanics and rehabilitation applications: the state of the art and ongoing research topics

... FBG sensors in the area of dental biomechanics had been investigated ...FBG sensors to monitor the force and temperature as a function of time in dental splints worn by patients suffering from sleep ...FBG ...

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Damage Assessment of an Integrally Stiffened Composite Panel through Dynamic Interrogation of Multiplexed Fiber Bragg Grating Sensors.

Damage Assessment of an Integrally Stiffened Composite Panel through Dynamic Interrogation of Multiplexed Fiber Bragg Grating Sensors.

... FBG sensors demonstrated an ability to sense minor changes in the transient response, and identified several trends that may be indicative of non-linear response in the ...FBG sensors as real-time ...

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Damage Monitoring in Composite Structures through High Speed, Full-spectral Interrogation of Fiber Bragg Grating Sensors.

Damage Monitoring in Composite Structures through High Speed, Full-spectral Interrogation of Fiber Bragg Grating Sensors.

... The intensity spectra for each FBG sensor was collected at a spectral acquisition rate of 100 kHz (with a wavelength resolution of 84 pm) and wavelength range of 1559.5 to 1566.2 nm. A second-order Chebyshev stop-band ...

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High-speed, solid state, interferometric interrogator and multiplexer for fiber Bragg grating sensors

High-speed, solid state, interferometric interrogator and multiplexer for fiber Bragg grating sensors

... An alternative, highly precise peak detection technique employing interferometry is often used, as described by Kersey et al [8]. Interferometric interrogation, while offering the highest resolution of all techniques, is ...

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Reflected Spectra Profile Tracking of Multiplexed Fiber Bragg Grating Sensors.

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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Damage Assessment in Composites using Fiber Bragg Grating Sensors

Damage Assessment in Composites using Fiber Bragg Grating Sensors

... Afterwards, composite specimens embedded with polyimide coated optical fibers were fabricated to ensure the fibers survived the fabrication procedure, as listed in table 5.3. The polyimide coating is stiffer than the ...

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An Interrogation System for Spectrally Multiplexed Fiber Bragg Grating Sensors

An Interrogation System for Spectrally Multiplexed Fiber Bragg Grating Sensors

... years, fiber optic sensors particularly those based on Fiber Bragg Grating (FBG) have been proved to be a potentially excellent technique for real-time monitoring of these ...waveguide ...

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A Study on the Braided Fabrication of Fiber Bragg Grating sensor

A Study on the Braided Fabrication of Fiber Bragg Grating sensor

... optical fiber Bragg grating sensors to various ...optical Bragg grating sensor's accurate ...mechanical fiber arrangement, and material ...the Bragg grating ...

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Ultrasonic Excitation – Fiber Bragg Grating Sensing Technique for Damage Identification

Ultrasonic Excitation – Fiber Bragg Grating Sensing Technique for Damage Identification

... excitation-fiber Bragg grating sensing tech- nique is based on well-developed optical fiber grating technology, which has a good prospect of damage detection for mechanical ...on ...

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The functionality of fiber bragg grating sensor compared to that of foil gaug

The functionality of fiber bragg grating sensor compared to that of foil gaug

... as fiber Bragg grating (FBG) sensors are widely accepted in almost all ...structures. Fiber optic sensors can also be used in many different ...applications. Fiber optic ...

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Quadratic behavior of fiber Bragg grating temperature coefficients

Quadratic behavior of fiber Bragg grating temperature coefficients

... in fiber Bragg gratings with applied temperature or ...FBG sensors in a range of applica- ...represent Bragg wavelength shifts over relatively modest temperature ...the Bragg wavelength ...

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A novel idea of using soliton in fiber bragg grating

A novel idea of using soliton in fiber bragg grating

... for sensors, dispersion compensators, optical fibre filters, and all-optical switching and routing ...in fiber optics either through internal writing (Hill ...

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DESIGNAND SIMULATIONOF FIBER BRAGG GRATING BASEDSENSORS

DESIGNAND SIMULATIONOF FIBER BRAGG GRATING BASEDSENSORS

... of fiber gratings can be used in sensing applications including Bragg, long-period, and chirped ...FBG sensors is the measurement of an induced shift in the wavelength of an optical source due to a ...

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FIBER BRAGG GRATING TEMPERATURE SENSOR WITH ENHANCED SENSITIVITY

FIBER BRAGG GRATING TEMPERATURE SENSOR WITH ENHANCED SENSITIVITY

... optical fiber Bragg gratings had made a significant impact in the areas of telecommunication and ...FBG sensors have shown great potential for various applications in the areas of non-destructive ...

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