Distributed vibration sensing based on optical vector network analysis
| dc.contributor.author | Loayssa Lara, Alayn | |
| dc.contributor.author | Vallifuoco, Raffaele | |
| dc.contributor.author | Zahoor, Rizwan | |
| dc.contributor.author | Zeni, Luigi | |
| dc.contributor.author | Sagüés García, Mikel | |
| dc.contributor.author | Minardo, Aldo | |
| dc.contributor.department | Ingeniería Eléctrica, Electrónica y de Comunicación | es_ES |
| dc.contributor.department | Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza | eu |
| dc.contributor.department | Institute of Smart Cities - ISC | en |
| dc.contributor.funder | Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa | |
| dc.date.accessioned | 2025-03-03T07:41:51Z | |
| dc.date.available | 2025-03-03T07:41:51Z | |
| dc.date.issued | 2024-10-28 | |
| dc.date.updated | 2025-03-03T07:37:57Z | |
| dc.description.abstract | We introduce a novel method for distributed vibration sensing based on extracting the time-domain Rayleigh impulse response of an optical fiber from optical vector network analysis measurements. The optical-frequency-domain transfer function of the fiber is first measured, and then inverse Fourier transformed to provide the bandpass optical time-domain impulse response. Another relevant feature of the technique is that it enables excitation demodulation using the optical frequency dependence of the Rayleigh backscatter signal from the optical fiber, the so-called Rayleigh signature. This is the simplest method to obtain fully linear quantitative measurements of local changes in the strain or temperature experienced by the fiber and it is inherently free from signal fading impairments. Furthermore, the implementation of the technique uses a simple setup based on double-sideband modulation of a laser, self-homodyne detection with an optical hybrid, and narrow-bandwidth electrical signal acquisition and processing. We present proof-of-concept experiments to demonstrate the operation of the method with the measurement of dynamic strain and temperature perturbations in a 115-m optical sensing fiber with 16-cm spatial resolution and a sensitivity of 59 nHz. This sensing technique has the potential to provide high-sensitivity distributed measurements of tens-of-hertz excitations in hundreds-of-meters fibers, with centimeter spatial resolution. Therefore, it can become a valuable tool for structural health monitoring in application fields such as aerospace, marine, or civil engineering. | en |
| dc.description.sponsorship | This work was supported in part by Grant PID2022-137269OB-C21 funded by MCIN/AEI/10.13039/501100011033 and by ERDF "A way to make Europe", in part by Grant TED2021-130378BC22 funded by MCIN/AEI/10.13039/501100011033 and European Union "Next generationEU"/PRTR, and in part by the European Union under the Italian National Recovery and Resilience Plan (NRRP) of NextGenerationEU, partnership on "Telecommunications of the Future" (PE00000001 - program "RESTART"). Open access funding provided by Universidad Publica de Navarra. | |
| dc.format.mimetype | application/pdf | en |
| dc.identifier.citation | Loayssa, A., Vallifuoco, R., Zahoor, R., Zeni, L., Sagues, M., & Minardo, A. (2025). Distributed Vibration Sensing Based on Optical Vector Network Analysis. Journal of Lightwave Technology, 43(5), 2349-2356. https://doi.org/10.1109/JLT.2024.3487014 | |
| dc.identifier.doi | 10.1109/JLT.2024.3487014 | |
| dc.identifier.issn | 0733-8724 | |
| dc.identifier.uri | https://academica-e.unavarra.es/handle/2454/53622 | |
| dc.language.iso | eng | |
| dc.publisher | IEEE | |
| dc.relation.ispartof | Journal of Lightwave Technology., ( ),https://doi.org/10.1109/JLT.2024.3487014 | |
| dc.relation.publisherversion | https://doi.org/10.1109/JLT.2024.3487014 | |
| dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. | |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.subject | Distributed acoustic sensing | en |
| dc.subject | Distributed fiber-optic sensors | en |
| dc.subject | Distributed vibration sensing | en |
| dc.title | Distributed vibration sensing based on optical vector network analysis | en |
| dc.type | info:eu-repo/semantics/article | |
| dc.type.version | info:eu-repo/semantics/publishedVersion | |
| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | c694736c-d2bb-49e5-bf4f-496c976fbeff | |
| relation.isAuthorOfPublication | 70a7fa6c-b9bf-4654-b2c0-3e834b8a56d1 | |
| relation.isAuthorOfPublication.latestForDiscovery | c694736c-d2bb-49e5-bf4f-496c976fbeff |