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handle: 10261/175897 , 10261/175892
[ES] Sistema y método de caracterización distribuida de perfil de dispersión de una fibra óptica. Método y sistema que permiten caracterizar el perfil de dispersión (scattering) de una fibra óptica (2) mediante comparación de la amplitud y la fase de una luz pulsada (9) y una luz generada por dispersión Rayleigh (10). La luz generada por dispersión Rayleigh (10) se caracteriza al menos un detector fotónico diferencial (7). Implementaciones particulares incluyen codificación de pulsos y desplazamientos frecuenciales para aumentar la resolución espacial. La invención proporciona una caracterización de alta resolución y sensibilidad sin recurrir a estados de referencia de la fibra bajo análisis.
[EN] The invention relates to a method and system for the characterisation of the scattering of an optical fibre (2) by comparing the amplitude and phase of a pulsed light (9) with a light generated by Rayleigh scattering (10). The light generated by Rayleigh scattering (10) is characterised by at least one differential photonic detector (7). Specific embodiments include pulse coding and frequency shifts in order to increase the spatial resolution. The invention provides high-resolution and -sensitivity characterisation without having to use reference states for the fibre being analysed.
Universidad de Alcalá, Consejo Superior de Investigaciones Científicas (España), Fiber Optics Consulting Services and Technologies S.L. (FOCUS S.L.)
B1 Patente sin examen previo
Peer reviewed
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