Localization and quantification of reflective events along an optical fiber using a bi-directional TRA technique

We report on the theory and the implementation of a novel approach for the detection and localization of a reflective event along a fiber link. By launching a continuous-wave signal into both fiber ends and by analyzing the transmitted and reflected/backscattered optical powers, it is possible to lo...

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Bibliographic Details
Published inOptics express Vol. 22; no. 8; pp. 9839 - 9853
Main Authors Cen, Min, Moeyaert, Véronique, Mégret, Patrice, Wuilpart, Marc
Format Journal Article
LanguageEnglish
Published United States 21.04.2014
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Summary:We report on the theory and the implementation of a novel approach for the detection and localization of a reflective event along a fiber link. By launching a continuous-wave signal into both fiber ends and by analyzing the transmitted and reflected/backscattered optical powers, it is possible to localize an optical event and to quantify the induced insertion and return losses simultaneously. The novel idea of utilizing bi-directional measurement allows the localization of both reflective and non-reflective events. Theoretical and experimental studies show that for a 10 km-long single mode fiber, the localization accuracy can be in the range of 5.0 m.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.009839