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Proceedings Paper

Experimental verification of cantilever plate deformation magnitudes using wavelength division multiplexed Bragg grating sensors
Author(s): R. T. Jones; David G. Bellemore; Timothy A. Berkoff; James S. Sirkis; Martin A. Putnam; E. Joseph Friebele; Alan D. Kersey
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Paper Abstract

An algorithm has been developed to determine the full deformation field of a cantilever honeycomb plate under free-end loading conditions. The algorithm utilizes strain information from a set of sixteen fiber Bragg grating (FBG) sensors mounted on the plate so that all sensors measure strains along the clamped-free direction. The sensors are interrogated using a wavelength division multiplexing scheme, and measured strains are converted to full-field displacement. The algorithms used to interrogate the sensors, perform the strain-displacement calculations and generate a real-time (approximately 60 Hz) mesh of displacement values are encoded in a C program.

Paper Details

Date Published: 27 November 1996
PDF: 11 pages
Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); doi: 10.1117/12.259818
Show Author Affiliations
R. T. Jones, Naval Research Lab. (United States)
David G. Bellemore, Naval Research Lab. (United States)
Timothy A. Berkoff, Naval Research Lab. (United States)
James S. Sirkis, Univ. of Maryland/College Park (United States)
Martin A. Putnam, Naval Research Lab. (United States)
E. Joseph Friebele, Naval Research Lab. (United States)
Alan D. Kersey, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 2838:
Distributed and Multiplexed Fiber Optic Sensors VI
Alan D. Kersey; John P. Dakin, Editor(s)

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