Composite-material-embedded fiber optic Fabry-Perot strain rosette

Tomas Valis; W. Dayle Hogg; Raymond M. Measures

doi:10.1117/12.24860

1 December 1990 Composite-material-embedded fiber optic Fabry-Perot strain rosette

Tomas Valis, W. Dayle Hogg, Raymond M. Measures

Proceedings Volume 1370, Fiber Optic Smart Structures and Skins III; (1990) https://doi.org/10.1117/12.24860
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

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.

Citation Download Citation

Tomas Valis, W. Dayle Hogg, and Raymond M. Measures "Composite-material-embedded fiber optic Fabry-Perot strain rosette", Proc. SPIE 1370, Fiber Optic Smart Structures and Skins III, (1 December 1990); https://doi.org/10.1117/12.24860

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