Fiber Bragg grating sensor for petroleum hydrocarbon leak detection |
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| Authors: | V V Spirin M G Shlyagin S V Miridonov F J Mendieta Jimnez R M Lpez Gutirrez |
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| Institution: | División de Física Aplicada, CICESE, Apdo. Postal #2732, P.O. Box 434944 Ensenada, B.C. 22860, Mexico |
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| Abstract: | A novel type of fiber optic Bragg grating sensor for petroleum hydrocarbon leak detection is presented. The sensor structure includes attached to the fiber a polymer member, which reversibly expands in hydrocarbon presence and strains the fiber section with the Bragg grating inside. A shift of the grating Bragg wavelength due to fiber strain is more than 2 nm for 20-min gasoline influence, which significantly exceeds a shift due to possible environmental temperature variation. |
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| Keywords: | Fiber optic Bragg grating sensor Hydrocarbon detection |
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