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Structural health monitoring using a scanning THz system

: Vandewal, M.; Cristofani, E.; Brook, A.; Vleugels, W.; Ospald, F.; Beigang, R.; Wohnsiedler, S.; Matheis, C.; Jonuscheit, J.; Guillet, J.-P.; Recur, B.; Manek-Hönninger, I.; Mounaix, P.; Venegas, P.; Lopez, I.; Martinez, R.; Sternberg, Y.


IEEE Microwave Theory and Techniques Society; Fraunhofer-Institut für Physikalische Messtechnik -IPM-, Freiburg/Brsg.:
38th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2013 : Mainz, Germany, 1 - 6 September 2013
Piscataway, NJ: IEEE, 2013
ISBN: 978-1-4673-4717-4 (online)
ISBN: 978-1-4673-4715-0 (print)
2 S.
International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) <38, 2013, Mainz>
Fraunhofer IPM ()
optical fibers; inspection; terahertz wave detectors; time-domain analysis; condition monitoring; composite materials

Terahertz waves can provide in-depth information on defects for structural health monitoring of composite materials. This paper describes the technology of a continuous-wave and a time-domain terahertz system operating on a 2-D and 3-D motion platform to provide 3-D high spatial resolution. The system as well as the overall detection performance will be described.