| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Voet, E.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2014Internal strain monitoring in composite materials with embedded photonic crystal fiber Bragg gratings
- 2013Opportunities for Structural Health Monitoring of Composite Material Structures with Novel Microstructured Optical Fiber Sensors
- 2012In-situ local strain measurement in textile composites with embedded optical fibre sensors
- 2011Microstructured optical fiber sensors embedded in a laminate composite for smart material applications
- 2011Evaluation of the transversal strain state in a satin weave composite using fibre Bragg gratings
- 2011Local strain in a 5-harness satin weave composite under static tension: Part I - Experimental analysiscitations
- 2010Influence of the Internal Yarn Nesting (Shifting) on the Local Structural Response of a Satin Weave Composite-An Experimental and Numerical Overview
- 2009On the feasibility of optical fibre sensors for strain monitoring in thermoplastic composites under fatigue loading conditionscitations
- 2009Strain monitoring of FRP elements using an embedded fibre optic sensorcitations
- 2009Response of Fiber Bragg Gratings in Microstructured and Bow Tie Fibers Embedded in Laminated Composite
- 2009Fiber Bragg Gratings in Microstructured Optical Fibers for Stress Monitoring
- 2009Response of FBGs in Microstructured and Bow Tie Fibers Embedded in Laminated Compositecitations
- 2009Benchmarking the response of Bragg gratings written in microstructured and bow tie fiber embedded in composites
- 2009Transversal load sensing with fiber Bragg gratings in microstructured optical fibers
- 2008The use of optical fibers for fatigue testing of fiber-reinforced thermoplastics
- 2007Strain monitoring in thermoplastic composites with optical fiber sensors: Embedding process, visualization with micro-tomography, and fatigue resultscitations
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document
Fiber Bragg Gratings in Microstructured Optical Fibers for Stress Monitoring
Abstract
Combining the functionalities of fiber Bragg gratings (FBGs) and microstructured optical fibers (MOFs) offers promising technological perspectives in the field of optical fiber sensors. Indeed, MOFs could overcome some of the limitations of FBGs in conventional fibers for sensor applications. The added value of MOFs stems from the ability to design an optical fiber in which an FBG acts as a sensor with a selective sensitivity, e.g. a sensor that is sensitive to directional strain but not to temperature. For this purpose we use a MOF with a phase modal birefringence on the order of 8*10-3. A FBG in this MOF yields two Bragg peak wavelengths, with a wavelength separation that depends on the phase modal birefringence of the MOF. We characterize these FBGs for transversal loads on a bare fiber and compare the results with simulated sensitivities. Then, we embed the sensor in a composite coupon and measure the of the Bragg peak wavelengths as a function of the applied transversal pressure on the composite material. This allows drawing conclusions on the advantages of FBGs in MOFs for sensing applications.