Analysis of the Applicability of Singlemode Optical Fibers for Measurement of Deformation with Distributed Systems BOTDR

Marcel Fajkus, Jan Nedoma, Lukas Bednarek, Jaroslav Frnda, Vladimir Vasinek

Analysis of the Applicability of Singlemode Optical Fibers for Measurement of Deformation with Distributed Systems BOTDR

Číslo: 4/2016
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v14i4.1785

Klíčová slova: Deformation; distributed system; sensor, special cable; standard telecommunication fiber, deformace, distribuované systémy, senzor, speciální kabel, standardní telekomunikační vlákno.

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Anotace: Distributed optical fiber sensors allow monitoring physical effects across the whole cable. The paper presents results obtained from the performed tests and shows that single mode fibers can provide analyses of the deformation changes, when distributed optical systems BOTDR used. We used standard optical fiber G.652.D with primary and secondary protected layers and specialized cable SMC-V4 designed for this purpose. The aim was to compare the deformation sensitivity and determine which fiber types are the best to use. We deformed the fiber in the longitudinal and transverse directions and mechanically stressed in orthogonal directions to find how to localize optical fibers. They could be deployed in real use. For achieving optimal results of mechanical changes and acting forces, sensor fibers have to be located carefully.