Localized and distributed fiber optic strain sensors based on white light interferometric techniques

Libo Yuan; Limin Zhou; Wei Jin

doi:10.1117/12.385540

9 May 2000 Localized and distributed fiber optic strain sensors based on white light interferometric techniques

Libo Yuan, Limin Zhou, Wei Jin

Proceedings Volume 4077, International Conference on Sensors and Control Techniques (ICSC 2000); (2000) https://doi.org/10.1117/12.385540
Event: International Conference on Sensors and Control Techniques (ICSC2000), 2000, Wuhan, China

Abstract

Strain, deformation and temperature measurements constitute the most interesting parameters to be monitored in smart structures. White-light interferometry offers these performances even for long-term measurements. Based on the Michelson interferometer, a fiber optic localized strain sensor and multiplexing strain-sensing techniques are demonstrated in this paper. Related problem about the spatial division limitation of fiber optic sensors is discussed. Finally, application examples such as cable strain measuring of cable-stayed bridge model, inside strain measurements for concrete specimens and temperature monitoring are also given.

Citation Download Citation

Libo Yuan, Limin Zhou, and Wei Jin "Localized and distributed fiber optic strain sensors based on white light interferometric techniques", Proc. SPIE 4077, International Conference on Sensors and Control Techniques (ICSC 2000), (9 May 2000); https://doi.org/10.1117/12.385540

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