Loayssa Lara, AlaynVallifuoco, RaffaeleZahoor, RizwanZeni, LuigiMinardo, Aldo2025-04-292024Loayssa, 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.5.978-1-957171-36-410.1364/SENSORS.2024.SF4C.5https://academica-e.unavarra.es/handle/2454/54042We 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.application/pdfeng© 2024 The Author(s) © 2024 Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.Distributed acoustic/vibration sensorsNA-OFDRI/Q demodulationinfo:eu-repo/semantics/conferenceObject2025-04-29info:eu-repo/semantics/openAccess