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

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Date
2020Author
Version
Acceso abierto / Sarbide irekia
Type
Contribución a congreso / Biltzarrerako ekarpena
Version
Versión aceptada / Onetsi den bertsioa
Impact
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10.1364/OFS.2020.T3.48
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. ...
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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. [--]
Subject
Phase-sensitive optical time-domain reflectometry
Publisher
Optica Publishing Group
Published in
Cranch, G. A.; Wang, A.; Digonnet, M.; Dragic, P. (Eds.). Optical Fiber Sensors Conference 2020 Special Edition. Washington D.C.: Optica Publishing Group; 2020. p.0-1 978-1-55752-307-5
Departament
Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación /
Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza Saila /
Universidad Pública de Navarra/Nafarroako Unibertsitate Publikoa. Institute of Smart Cities - ISC
Publisher version
Sponsorship
This work was supported by Spanish AEI project TEC2016-76021-C2.