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Conferences > OFS > 2018 > TuD > TuD3

Reaching pε/√Hz sensitivity in a distributed optical fiber strain sensor

Luis Costa, Hugo F. Martins, Sonia Martin-Lopez, María R. Fernández-Ruiz, and Miguel Gonzalez-Herraez

Open Access Open Access

Abstract

Chirped-pulse φOTDR provides distributed strain measurement via a time-delay estimation process. We propose a lower bound for performance, after reducing sampling error and compensating phase-noise. We attempt to reach the limit, attaining unprecedented pε/√Hz sensitivities.

© 2018 The Author(s)

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