High-Resolution Distributed Acoustic Sensor and its Applications in Mechanical Engineering

Ali Masoudi, Thomas Furness, James Williamson, Timothy Lee, Martynas Beresna, Simon Fletcher, Jane Jiang, Gilberto Brambilla

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


The past decade has witnessed rapid adoption of distributed acoustic sensor (DAS) technology in various fields from geophysical sciences [1] to railway track behaviour analysis [2]. Limited by the intensity of the Rayleigh backscattering, DAS technology has been mainly adopted for mapping phenomena such as earthquakes or rail traffic that do not require high spatial resolution. Recently, we have developed a new optical fibre that allows an order of magnitude improvement in the spatial resolution of DAS systems. Using this fibre, which we dubbed Ultra Low-loss Enhanced Backreflection (ULEB) fibre, we have demonstrated a DAS with 10 cm spatial resolution and an amplitude spectral density of 1.9 nε/√Hz [3].
Original languageEnglish
Title of host publication2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
Number of pages1
ISBN (Electronic)9798350345995
ISBN (Print)9798350346008
Publication statusPublished - 4 Sep 2023
Event2023 Conference on Lasers and Electro-Optics/Europe & European Quantum Electronics Conferences - International Congress Centre Munich, Munich, Germany
Duration: 26 Jun 202330 Jun 2023

Publication series

NameConference on Lasers and Electro-Optics Europe (CLEO EUROPE)
ISSN (Print)2639-5452
ISSN (Electronic)2833-1052


Conference2023 Conference on Lasers and Electro-Optics/Europe & European Quantum Electronics Conferences
Abbreviated titleCLEO®/Europe-EQEC 2023
Internet address

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