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26 March 1993 Fiber optic impact detection and location system embedded in a composite material
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Abstract
We present an impact detection and location system which uses fiber optic extrinsic Fizeau interferontric sensors embedded in a graphite/epoxy composite laminate. The acoustic signals generated by the impact events are detected by four fiber optic sensors. The fiber sensor and the embedding process are described. Also developed are a mathematical method and computer program that allow calculations of unambiguous impact location from the sensor data. The impact location can be determined with a 0.5 millimeter resolution and an accuracy typically less than five millimeters.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael F. Gunther, Anbo Wang, Brian R. Fogg, Suzanne E. Starr, Kent A. Murphy, and Richard O. Claus "Fiber optic impact detection and location system embedded in a composite material", Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); doi: 10.1117/12.141322; https://doi.org/10.1117/12.141322
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