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Conferences > OFS > 2020 > T3 > T3.48

Distributed strain sensing with large dynamic range based on two-wavelength phase-sensitive OTDR

Enrique Piñeiro, Mikel Sagues, Juan José Mompó, Avishay Eyal, and Alayn Loayssa

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Abstract

We demonstrate the use of two-wavelengths to enhance the dynamic range in phase-sensitive OTDR vibration sensors. The system overcomes the phase wrapping con- strains by the synthesis of an equivalent wavelength measurement.

© 2020 The Author(s)

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