Publication: Distributed strain sensing with large dynamic range based on two-wavelength phase-sensitive OTDR
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Date
2020
Authors
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Publisher
Optica Publishing Group
Acceso abierto / Sarbide irekia
Contribución a congreso / Biltzarrerako ekarpena
Versión aceptada / Onetsi den bertsioa
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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.
Keywords
Phase-sensitive optical time-domain reflectometry
Department
Ingeniería Eléctrica, Electrónica y de Comunicación / Institute of Smart Cities - ISC / Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
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This work was supported by Spanish AEI project TEC2016-76021-C2.
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