Protection of critical infrastructure using fiber optic sensors embedded in technical textiles

Katerina Krebber; Philipp Lenke; Sascha Liehr; Nils Noether; Mario Wendt; Aleksander Wosniok

doi:10.1117/12.851013

23 April 2010 Protection of critical infrastructure using fiber optic sensors embedded in technical textiles

Katerina Krebber, Philipp Lenke, Sascha Liehr, Nils Noether, Mario Wendt, Aleksander Wosniok

Proceedings Volume 7677, Fiber Optic Sensors and Applications VII; 767707 (2010) https://doi.org/10.1117/12.851013
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

Terrorists and criminals more and more attack and destroy important infrastructures like routes, railways, bridges, tunnels, dikes and dams, important buildings. Therefore, reliable on-line and long-term monitoring systems are required to protect such critical infrastructures. Fiber optic sensors are well-suited for that. They can be installed over many kilometers and are able to measure continuously distributed strain, pressure, temperature and further mechanical and physical quantities. The very tiny optical fibers can be integrated into structures and materials and can provide information about any significant changes or damages of the structures. These so-called smart materials and smart structures are able to monitor itself or its environment. Particularly smart technical textiles with embedded fiber optic sensors have become very attractive because of their high importance for the structural health monitoring of geotechnical and masonry infrastructures. Such textiles are usually used for reinforcement of the structures; the embedded fiber optic sensors provide information about the condition of the structures and detect the presence of any damages and destructions in real time. Thus, critical infrastructures can be preventively protected. The paper will introduce this innovative field and will present the results achieved within several German and European projects.

Citation Download Citation

Katerina Krebber, Philipp Lenke, Sascha Liehr, Nils Noether, Mario Wendt, and Aleksander Wosniok "Protection of critical infrastructure using fiber optic sensors embedded in technical textiles", Proc. SPIE 7677, Fiber Optic Sensors and Applications VII, 767707 (23 April 2010); https://doi.org/10.1117/12.851013

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KEYWORDS

Sensors

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Fiber optics sensors

Optical fibers

Backscatter

Buildings

Signal processing

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