Recent progress in bidirectional interrogation techniques for enhancing multiplexing capability of fiber optic white light interferometric sensors

Libo Yuan; Limin Zhou; Wei Jin

doi:10.1117/12.481967

9 September 2002 Recent progress in bidirectional interrogation techniques for enhancing multiplexing capability of fiber optic white light interferometric sensors

Libo Yuan, Limin Zhou, Wei Jin

Author Affiliations +

Proceedings Volume 4920, Advanced Sensor Systems and Applications; (2002) https://doi.org/10.1117/12.481967
Event: Photonics Asia, 2002, Shanghai, China

Abstract

In smart structures applications where fiber sensors are embedded within structural materials, multiple lead in/out fibers are preferred for redundancy and improving reliability. The use of only one lead/out fiber is not optimal because the breakage of fiber at one location due to for example local structural damage would cause the failure of the whole sensing system. The multiplexing and networking techniques suitable for such applications have attracted considerable research recently. In this paper, we summaries the results of our recent investigation on the bi-directional interrogation techniques (BDIT) for white light interferometric sensor arrays.

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Libo Yuan, Limin Zhou, and Wei Jin "Recent progress in bidirectional interrogation techniques for enhancing multiplexing capability of fiber optic white light interferometric sensors", Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); https://doi.org/10.1117/12.481967

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