Composite-material-embedded fiber optic Fabry-Perot strain rosette
- 1 December 1990
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- p. 154-161
- https://doi.org/10.1117/12.24860
Abstract
A fiber-optic strain rosette is embedded in Kevlar/epoxy. The individual arms of the rosette are fiber Fabry-Perot interferometers operated in reflection-mode with gauge (i.e., cavity) lengths of approximately 5 mm. Procedures for manufacturing the cavities, and bending the fibers, to form a strain rosette are described. Experimental results showing 2D interlaminar strain-tensor measurement are presented. The sensor is also tested as a surface adhered device.Keywords
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