Strain Analysis of an Embedded Optical Fiber Sensor

Abstract:

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Optical fiber sensors with light weight, small dimension and immunity to electromagnetic interference are widely used in structural health monitoring device. In this investigation, a theoretical model of the strain transferred from the host material to the embedded optical fiber is developed to reveal the differential strains between the optical fiber sensor and host material. The theoretical predictions are validated with the numerical analysis using the finite element method. The percentage of strain in the host material actually transferred to the optical fiber is dependent on the bonding characteristics such as adhesive layer, protective coating and host material. Parametric study shows that the larger of the host material the more strain is transferred to the optical fiber.

Info:

Periodical:

Key Engineering Materials (Volumes 467-469)

Edited by:

Dehuai Zeng

Pages:

279-282

DOI:

10.4028/www.scientific.net/KEM.467-469.279

Citation:

S. C. Her and C. Y. Tsai, "Strain Analysis of an Embedded Optical Fiber Sensor", Key Engineering Materials, Vols. 467-469, pp. 279-282, 2011

Online since:

February 2011

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Price:

$35.00

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