Integrable Architecture for Time expanded Phase-sensitive OTDR based on PRBS

Javier Preciado-Garbayo,Miguel Soriano-Amat,Pascual Sevillano,David Izquierdo,Hugo F. Martins,Sonia Martin-Lopez,Miguel Gonzalez-Herraez,María R. Fernández-Ruiz,Juan J. Martínez

27th International Conference on Optical Fiber Sensors（2022）

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摘要

Low-cost, integrable PRBS boards are used for generating the dual frequency combs in a portable time-expanded phase-sensitive-OTDR. A spatial resolution <2 cm is achieved over hundreds of meter of fiber with 3 Hz acoustic sampling.

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关键词

prbs,phase-sensitive

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