Fiber optic Bragg grating strain sensor in large-scale concrete structures

John D. Prohaska; Elias Snitzer; Benxian Chen; Mohamed H. Maher; E. G. Nawy; William W. Morey

doi:10.1117/12.141330

26 March 1993 Fiber optic Bragg grating strain sensor in large-scale concrete structures

John D. Prohaska, Elias Snitzer, Benxian Chen, Mohamed H. Maher, E. G. Nawy, William W. Morey

Proceedings Volume 1798, Fiber Optic Smart Structures and Skins V; (1993) https://doi.org/10.1117/12.141330
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Fiber optic Bragg gratings were used and evaluated as strain gauges. An expression describing the relationship of the strain to relative spectral shift was derived from the phase index of refraction of the waveguide and it was experimentally verified. The application of these sensors in large scale concrete structures was evaluated.

Citation Download Citation

John D. Prohaska, Elias Snitzer, Benxian Chen, Mohamed H. Maher, E. G. Nawy, and William W. Morey "Fiber optic Bragg grating strain sensor in large-scale concrete structures", Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); https://doi.org/10.1117/12.141330

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