Uyar, FarukOnat, TalhaUnal, CanberkKartaloǧlu, TolgaOzdur, Ibrahim T.Özbay, Ekmel2025-09-252025-09-25201997819435805762160-9020https://doi.org/10.23919/CLEO.2019.8750648https://hdl.handle.net/20.500.12573/3026AdValue Photonics; American Elements; Class5 Photonics; Coherent; et al.; GoFotonOzdur, Ibrahim/0000-0001-6452-0804;This work demonstrates an ultra-long range direct detection fiber optic distributed acoustic sensor which can detect vibrations at a distance of 94.8 km with 10 m resolution along the sensing fiber. © 2019 Elsevier B.V., All rights reserved.eninfo:eu-repo/semantics/closedAccessConference Object10.23919/CLEO.2019.87506482-s2.0-85069186638