Point-by-Point Induced High Birefringence Polymer Optical Fiber Bragg Grating for Strain Measurement
Photonics, 2023 In this paper, the first- and fourth-order fiber Bragg grating (FBG)-based axial strain sensors are proposed. The FBGs are inscribed in step-index polymer optical fibers (POFs) (TOPAS core and ZEONEX cladding) via the point-by-point (PbP) direct-writing ...
Shixin Gao +9 more
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Stretchable strain sensors with dentate groove structure for enhanced sensing recoverability
, 2021 Stretchable strain sensors based on conductive polymer composites commonly utilize elastic polymers as the matrix. However, elastic polymers always show strong mechanical hysteresis effect leading to shoulder peak phenomenon and thereby poor ...
Jiang, Yue +7 more
core +1 more source
An investigation of chirped fibre Bragg gratings Fabry-Perot interferometer for sensing applications [PDF]
, 2005 Fibre interferometer configurations such as the Michelson and Fabry-Perot (FP) have been formed using uniformed and chirped Fibre Bragg Gratings (FBG) acting as partial reflectors. As well as increasing the dynamic range of the interferometer, chirped
Cheung, Chi Shing
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Sensors, 2017 Optical fiber-based sensors “embedded” in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures.
Kort Bremer +5 more
doaj +1 more source
Laser-Induced Graphene-Based Strain Sensor Array Integrated into Smart Tires for a Load Perception
MicromachinesTire deformation monitoring is a critical requirement for improving vehicle safety, performance, and intelligent transportation systems. However, most existing flexible strain sensors either lack directional sensitivity or have not been validated in real-
Shaojie Yuan +5 more
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Carbon Nanofiber Cement Sensors to Detect Strain and Damage of Concrete Specimens Under Compression
Nanomaterials, 2017 Cement composites with nano-additions have been vastly studied for their functional applications, such as strain and damage sensing. The capacity of a carbon nanofiber (CNF) cement paste has already been tested.
Oscar Galao +3 more
doaj +1 more source
On-line monitoring of multi-component strain development in a tufting needle using optical fibre Bragg grating sensors [PDF]
, 2014 Dynamic loadings induced on a tufting needle during the tufting of dry carbon fibre preform via a commercial robot-controlled tufting head were investigated in situ and in real-time using optical fibre Bragg grating (FBG) sensors bonded to the needle ...
Staines, Stephen +7 more
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Embedment of 3D Printed Self-Sensing Composites for Smart Cementitious Components
SensorsThe automation of concrete constructions through 3D printing (3DP) has been increasingly developed and adopted in civil engineering due to its promising advantages over traditional construction methods.
Han Liu +5 more
doaj +1 more source
SensorsSpatial resolution is a critical parameter for optical frequency domain reflectometry (OFDR). Phase-sensitive OFDR (Φ-OFDR) measures strain by detecting phase variations between adjacent sampling points, having the potential to achieve the theoretical ...
Yanlin Liu +6 more
doaj +1 more source
Temperature and strain discrimination using a single tilted fibre Bragg grating [PDF]
, 2007 A fibre optic sensor capable of discriminating between temperature and strain, using a single fibre Bragg grating, is presented. The technique exploits the core–cladding mode coupling of a tilted fibre Bragg grating (TFBG). The core and cladding modes
Tatam, Ralph P. +2 more
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