Long-gauge ultra-weak FBG strain sensor insensitive to structural defects: numerical simulation and experimental verification.
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DOI: 10.1364/oe.562233
Abstract: Strain monitoring of concrete structures with surface defects and material inhomogeneity is a challenge in the field of structural monitoring. In this paper, based on the characteristics of long-gauge structure and ultra-weak fiber Bragg grating… read more here.
Keywords: ultra weak; structural defects; sensor; long gauge ... See more keywords