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Bartelt, H.
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Publications (12/12 displayed)
- 2016Tapered optical fiber tip probes based on focused ion beam-milled Fabry-Perot microcavitiescitations
- 2014Focused ion beam post-processing of optical fiber Fabry-Perot cavities for sensing applicationscitations
- 2014Optical Fiber Fabry-Perot Sensor Fabrication based on Focused Ion Beam Post-Processing
- 2013Opportunities for Structural Health Monitoring of Composite Material Structures with Novel Microstructured Optical Fiber Sensors
- 2012Nanoscopic tip sensors fabricated by gas phase etching of optical glass fibers
- 2011Microstructured optical fiber sensors embedded in a laminate composite for smart material applications
- 2009Response of Fiber Bragg Gratings in Microstructured and Bow Tie Fibers Embedded in Laminated Composite
- 2009Fiber Bragg grating inscription with DUV femtosecond exposure and two beam interferencecitations
- 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
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document
Benchmarking the response of Bragg gratings written in microstructured and bow tie fiber embedded in composites
Abstract
Fiber Bragg gratings written in bow-tie fiber and in highly birefringent micro-structured optical fiber are embedded in a carbon fiber reinforced epoxy. The Bragg peak wavelength shifts are measured under controlled bending, transversal load and thermal cycling of the composite sample. The results evidence the feasibility of using micro-structured fibers in structural integrity monitoring. We obtain similar axial as well as transversal strain sensitivities for the two embedded fiber types. We also highlight an important advantage of the micro-structured fibers for this application which is the low temperature dependence of the birefringence.