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- W1971272783 abstract "The paper presents distributed fiber optic bending sensor for petroleum hydrocarbon leak detection based on coherent optical frequency domain reflectometry (C-OFDR) technique. In order to introduce bending losses a sensitive polymer, which reversibly swells under hydrocarbon influence is employed. In this work we used lumped reflectors, namely fiber Bragg gratings, placed between distributed sensitive elements. Design of proposed sensor utilizes the principle of distributed detection with section localization (DDSL) of perturbation. Analysis of signal-to-noise ratio (SNR) for multi-reflectors system was performed. We have demonstrated that the C-OFDR technique with bending sensor is capable to detect hydrocarbon presence within a few minutes for 20-cm perturbation-length with spatial resolution about 0.5 m for strong perturbation." @default.
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- W1971272783 date "2004-01-01" @default.
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- W1971272783 title "Coherent optical frequency domain reflectometry for interrogation of bend-based fiber optic hydrocarbon sensors" @default.
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- W1971272783 doi "https://doi.org/10.1016/j.yofte.2003.09.003" @default.
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