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TitleFiber Bragg grating sensors integrated in polymeric foils
Author(s)Silva, A. F.
Gonçalves, Filipe
Ferreira, Luís Alberto de Almeida
Araújo, Francisco Moita
Mendes, P. M.
Correia, J. H.
KeywordsFiber Bragg grating
Optical fiber sensor
Sensor integration
Structural health monitoring
Optical fiber sensors
Sensors integration
Fiber bragg gratings
Issue date12-Jan-2010
PublisherTrans Tech Publications
JournalMaterials Science Forum
Abstract(s)Optical sensors have hit their maturity and a new kind of systems is being developed. This paper deals with the development of a new sensing structure based on polymeric foils and optic fiber sensors, namely the Fiber Bragg Grating sensors. Sensor integration in polymeric foils, using industrial process is the proposed goal. To achieve this goal, Finite Element Analysis was used for prototype modeling and simulation. The model was subjected to loads and restraints in order to retrieve information about stress distribution and displacement of specific points. From the simulation was possible to predict the sections where the sensor should be positioned. A prototype was then fabricated using industrial processes. Tests indicate that the polymeric foil influence on the sensor performance may exist. However, the prototype was able of transferring the full deformation to the optical sensor. Moreover, the optical sensor, which is incorporated in the polymeric foil, is fully functional with high sensitivity, 0.6 picometer by microstrain, allowing deformation measurements, up to 1.2 millimeter.
TypeConference paper
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:DEI - Artigos em revistas internacionais

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