A highly sensitive fiber Bragg grating diaphragm pressure transducer

Allwood, Gary; Wild, Graham; Lubansky, A.S.; Hinckley, Steven

doi:10.1016/j.yofte.2015.06.001

Cited by 48 publications

(22 citation statements)

References 32 publications

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“…And then, the reflected spectrum of FBG which includes the tensile deformation information of the wire is recorded by an optical spectrum analyzer (OSA, YOKOGAWA, AQ6370C) with the resolution of 0.02 nm. Because the diameter of the wire is only 0.1 mm order of magnitude, the conventional FBG attached method is unsuitable to our measurement [11]. In order to guarantee the strain of the wire is fully transferred to the FBG as much as possible, two ends of FBG are fixed on the wire by fusion splicing using two heat-melt tubes (HMTs) with a commercial splicer (Fujikura FSM-60S).…”

Section: Experimental Setup and Measurement Principlementioning

confidence: 99%

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Young’s Modulus Measurement of Metal Wires Using FBG Sensor

et al. 2019

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A novel Young's modulus measurement scheme based on fiber Bragg gratings (FBG) is proposed and demonstrated experimentally. In our method, a universal formula relating the Bragg wavelength shift to Young's modulus is derived and metal wires are loaded strain by using the static stretching method. The Young's modulus of copper wires, aluminum wires, nickel wires, and tungsten wires are separately measured. Experimental results show that the FBG sensor exhibits high measurement accuracy, and the measurement errors relative to the nominal value is less than 1.0%. The feasibility of the FBG test method is confirmed by comparing it with the traditional charge coupled device (CCD) imaging method. The proposed method could find the potential application in the material selection, especially in the field that the size of metal wires is very small and the strain gauges cannot be qualified.

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Section: Experimental Setup and Measurement Principlementioning

confidence: 99%

“…FBG sensor exhibits all of the benefits associated with other optical fiber sensors, especially their ability to be multiplexed [2,3]. Many different FBG sensors have been developed for measuring strain [4], temperature [5,6], pressure [7], refractive index [8,9], curvature [10], pressure [11], and shock stress [12].…”

Section: Introductionmentioning

confidence: 99%

Young’s Modulus Measurement of Metal Wires Using FBG Sensor

et al. 2019

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“…Deformation and strain would be produced when the pressure liquid to be measured is introduced into the chamber. Based on the small deformation theory [25,26], the differential equation of the plane circular diaphragm can be calculated as…”

Section: Mechanical Analysis Of Plane Diaphragmmentioning

confidence: 99%

Temperature Compensation Fiber Bragg Grating Pressure Sensor Based on Plane Diaphragm

2018

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Pressure sensors are the essential equipments in the field of pressure measurement. In this work, we propose a temperature compensation fiber Bragg grating (FBG) pressure sensor based on the plane diaphragm. The plane diaphragm and pressure sensitivity FBG (PS FBG) are used as the pressure sensitive components, and the temperature compensation FBG (TC FBG) is used to improve the temperature cross-sensitivity. Mechanical deformation model and deformation characteristics simulation analysis of the diaphragm are presented. The measurement principle and theoretical analysis of the mathematical relationship between the FBG central wavelength shift and pressure of the sensor are introduced. The sensitivity and measure range can be adjusted by utilizing the different materials and sizes of the diaphragm to accommodate different measure environments. The performance experiments are carried out, and the results indicate that the pressure sensitivity of the sensor is 35.7 pm/MPa in a range from 0 MPa to 50 MPa and has good linearity with a linear fitting correlation coefficient of 99.95%. In addition, the sensor has the advantages of low frequency chirp and high stability, which can be used to measure pressure in mining engineering, civil engineering, or other complex environment.

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“…The FBG was bonded to a rubber diaphragm and a sensitivity of 0.116 nm/kPa across a range of 15 kPa was reported [75].…”

Section: Fbg Pressure Sensorsmentioning

confidence: 99%

Fiber Bragg Grating Sensors for Mainstream Industrial Processes

2017

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This paper reviews fiber Bragg grating sensing technology with respect to its use in mainstream industrial process applications. A review of the various types of sensors that have been developed for industries such as power generation, water treatment and services, mining, and the oil and gas sector has been performed. A market overview is reported as well as a discussion of some of the factors limiting their penetration into these markets. Furthermore, the author's make recommendations for future work that would potentially provide significant opportunity for the advancement of fiber Bragg grating sensor networks in these mainstream industries.

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A highly sensitive fiber Bragg grating diaphragm pressure transducer

Cited by 48 publications

References 32 publications

Young’s Modulus Measurement of Metal Wires Using FBG Sensor

Young’s Modulus Measurement of Metal Wires Using FBG Sensor

Temperature Compensation Fiber Bragg Grating Pressure Sensor Based on Plane Diaphragm

Fiber Bragg Grating Sensors for Mainstream Industrial Processes

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