A novel NA-OFDR method for distributed vibration sensing based on I/Q demodulation
Consultable a partir de
2025-08-01
Date
2024
Authors
Director
Publisher
Optica Publishing Group
Acceso embargado / Sarbidea bahitua dago
Contribución a congreso / Biltzarrerako ekarpena
Versión aceptada / Onetsi den bertsioa
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Abstract
We demonstrate the use of an I/Q demodulation scheme to detect the Rayleigh backscatter generated by a double sideband (DSB) modulated probe light. The demodulated signal reveals the location and amplitude of any perturbation occurring along the fiber.
Description
Keywords
Distributed acoustic/vibration sensors, NA-OFDR, I/Q demodulation
Department
Ingeniería Eléctrica, Electrónica y de Comunicación / Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza / Institute of Smart Cities - ISC
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item.page.cita
Loayssa, A., Vallifuoco, R., Zahoor, R., Zeni, L., Minardo, A. (2024) A novel NA-OFDR method for distributed vibration sensing based on I/Q demodulation. In Optica, Optica Sensing Congress 2024 (AIS, LACSEA, Sensors, QSM) Optica Publishing Group. https://doi.org/10.1364/SENSORS.2024.SF4C.5.
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