A fiber optic buckle transducer for measurement of in vitro tendon strain

Paulo Roriz; António Ramos; Manuel B. Marques; José A. Simões; Orlando Frazão

doi:10.1117/12.2195249

28 September 2015 A fiber optic buckle transducer for measurement of in vitro tendon strain

Paulo Roriz, António Ramos, Manuel B. Marques, José A. Simões, Orlando Frazão

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96342Q (2015) https://doi.org/10.1117/12.2195249
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

The purpose of the present study is to present a prototype of a fiber optic based buckle transducer suitable for measuring strain caused by stretching of a tendon. The device has an E-shape and its central arm is instrumented with a fiber Bragg grating (FBG) sensor. The tendon adjusts to the E-form in a fashion that when it is stretched the central arm bends causing a shift of the Bragg’s wavelength (λ_B) that is proportional to the amount of strain. This prototype is presented as an alternative to conventional strain gauge (SG) buckle transducers.

Citation Download Citation

Paulo Roriz, António Ramos, Manuel B. Marques, José A. Simões, and Orlando Frazão "A fiber optic buckle transducer for measurement of in vitro tendon strain", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342Q (28 September 2015); https://doi.org/10.1117/12.2195249

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