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Proceedings Paper

Fiber optic sensor for hydrocarbon leak detection and localization based on transmission/reflection analysis
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Paper Abstract

A novel type of distributed fiber optic sensor for petroleum hydrocarbon leak detection based on the measurement of transmitted and Rayleigh backscattered power is presented. The sensor structure includes a sensitive polymer, which reversibly expands in hydrocarbon presence and induces the bending losses in the fiber. The location of the loss region is determined from unique relationships between normalized transmitted and Rayleigh backscattered powers for different positions of the disturbance along the test fiber. The localization of a strong disturbance with an estimated accuracy of +/- 1 m along a 2.844 km-length single-mode fiber was demonstrated.

Paper Details

Date Published: 27 June 2002
PDF: 8 pages
Proc. SPIE 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems, (27 June 2002); doi: 10.1117/12.472639
Show Author Affiliations
Vasilii V. Spirin, CICESE (United States)
Rosa Lopez, CICESE (Mexico)
Mikhail G. Shlyagin, CICESE (United States)
Serguei V. Miridonov, CICESE (Mexico)
I. Marquez, CICESE (Mexico)
Evgueni Anatolevich Kuzin, Instituto Nacional Astrofisica Optica y Electronica (Mexico)
Georgina Beltran-Perez, Instituto Nacional Astrofisica Optica y Electronica (Mexico)
Pieter L. Swart, Rand Afrikaans Univ. (South Africa)


Published in SPIE Proceedings Vol. 4694:
Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems
Daniele Inaudi; Eric Udd, Editor(s)

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