Distributed phase birefringence measurements based on polarization correlation in phase-sensitive optical time-domain reflectometers
Autores
Soto Hernández, Marcelo Alfonso; Fidalgo Martins, Hugo; González Herráez, Miguel; Thévenaz, LucIdentificadores
Enlace permanente (URI): http://hdl.handle.net/10017/25740DOI: 10.1364/OE.23.024923
ISSN: 1094-4087
Editor
Optical Society of America
Fecha de publicación
2015Patrocinadores
European Commission
Ministerio de Economía y Competitividad
Comunidad de Madrid
Cita bibliográfica
Optics Express, 2015, v. 23, p. 24923-24936.
Palabras clave
Fiber optics
Fiber characterization
Scattering
Rayleigh
Optical time domain reflectometry
Proyectos
info:eu-repo/grantAgreement/EC/FP7/307441/EU/Ubiquitous optical FIbre NErves/U-FINE
info:eu-repo/grantAgreement/MINECO//TEC2012-37958-C02-01/ES/TECNOLOGIAS DE SEGURIDAD CIVIL BASADAS EN FIBRA OPTICA/
info:eu-repo/grantAgreement/CAM//S2009%2FMIT2790/ES/Sensores e INstrumentación en tecnologías FOTÓNicas/SINFOTON
info:eu-repo/grantAgreement/EC/Interreg Sudoe/SOE3%2FP2%2FP714/EU/Gestión ecológica de pilas de residuos de carbón en combustión/ECOAL-MGT
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/publishedVersion
Derechos
Atribución-NoComercial-SinDerivadas 3.0 España
© 2015 Optical Society of America
Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
In this paper a technique to measure the distributed birefringence
profile along optical fibers is proposed and experimentally validated. The
method is based on the spectral correlation between two sets of
orthogonally-polarized measurements acquired using a phase-sensitive
optical time-domain reflectometer (φOTDR). The correlation between the
two measured spectra gives a resonance (correlation) peak at a frequency
detuning that is proportional to the local refractive index difference between
the two orthogonal polarization axes of the fiber. In this way the method
enables local phase birefringence measurements at any position along
optical fibers, so that any longitudinal fluctuation can be precisely evaluated
with metric spatial resolution. The method has been experimentally
validated by measuring fibers with low and high birefringence, such as
standard single-mode fibers as well as conventional polarizationmaintaining
fibers. The technique has potential applications in the
characterization of optical fibers for telecommunications as well as in
distributed optical fiber sensing.
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