Enhanced Fiber Bragg Grating Strain Sensors for Smart Factory Applications: Performance Evaluation
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A fiber Bragg grating (FBG) is an optical device that reflects light within a specific wavelength while allowing others to pass through;this is owing to the periodic variations in the refractive index of the fiber core. Strain sensors based on FBGs are becoming an essentialpart of smart factory environments because they allow real-time monitoring and optimization of industrial processes. In this study, wedesigned and analyzed the performance of FBG sensors for sensitive and real-time monitoring of mechanical strain. With an emphasison strain-induced Bragg-wavelength shifts, this study investigated the basic concepts of FBG strain sensing. Furthermore, the paper discussesthe design parameters that can be tuned to improve the accuracy and reliability of the proposed sensor in demanding industrialsettings. With a figure of merit of 1.13 × 10-3 µε-1, a full width at half maximum of 7.66 nm, a sensitivity of 0.0083 nm/ µε, and a qualityfactor of 203.32, the proposed FBG-based strain sensor shows an improved functionality, which may find value in industrial internetof things applications (as in smart factories), particularly in challenging strain settings.
Abstract
A fiber Bragg grating (FBG) is an optical device that reflects light within a specific wavelength while allowing others to pass through;this is owing to the periodic variations in the refractive index of the fiber core. Strain sensors based on FBGs are becoming an essentialpart of smart factory environments because they allow real-time monitoring and optimization of industrial processes. In this study, wedesigned and analyzed the performance of FBG sensors for sensitive and real-time monitoring of mechanical strain. With an emphasison strain-induced Bragg-wavelength shifts, this study investigated the basic concepts of FBG strain sensing. Furthermore, the paper discussesthe design parameters that can be tuned to improve the accuracy and reliability of the proposed sensor in demanding industrialsettings. With a figure of merit of 1.13 × 10-3 µε-1, a full width at half maximum of 7.66 nm, a sensitivity of 0.0083 nm/ µε, and a qualityfactor of 203.32, the proposed FBG-based strain sensor shows an improved functionality, which may find value in industrial internetof things applications (as in smart factories), particularly in challenging strain settings.
참고문헌 (48)
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