Fiber optic corrosion sensor fabricated by electrochemical method

X. M. Li; Weimin Chen; Z. Q. Huang; Shanglian Huang; Kim D. Bennett

doi:10.1117/12.316965

21 July 1998 Fiber optic corrosion sensor fabricated by electrochemical method

X. M. Li, Weimin Chen, Z. Q. Huang, Shanglian Huang, Kim D. Bennett

Proceedings Volume 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (1998) https://doi.org/10.1117/12.316965
Event: 5th Annual International Symposium on Smart Structures and Materials, 1998, San Diego, CA, United States

Abstract

This paper reports the research of a Fiber Optic Corrosion Sensor (FOCS) fabricated by electroplating an Fe-C alloy film onto an optical fiber core within the sensing region. Fabrication of the sensing film involves removal of the cladding, metallization of the optical fiber core, and electroplating of the Fe-C alloy layer. The initial results show that the sensor output power increases by about 35 percent when the film is corroded with the sensor of the film passivated, and that the time taken to rise to maximum output power is prolonged by almost 3 times, compared with that for non-passivated film. These result demonstrate the feasibility of using optical fiber corrosion sensors for monitoring corrosion of steel in civil structures.

Citation Download Citation

X. M. Li, Weimin Chen, Z. Q. Huang, Shanglian Huang, and Kim D. Bennett "Fiber optic corrosion sensor fabricated by electrochemical method", Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); https://doi.org/10.1117/12.316965

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