Uyar, FarukKartaloğlu, TolgaÜnal, CanberkÖzbay, EkmelÖzdur, İbrahim2021-02-042021-02-0420209780646825045http://hdl.handle.net/11693/54985Date of Conference: 3 - 5 August 2020Conference name: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020)A simple and effective method for increasing the SNR and range in φ-OTDR based direct-detection distributed acoustic sensors is proposed and experimentally verified. The proposed method results in ~11 dB SNR improvement at 66 km.EnglishConference Paper10.1364/CLEOPR.2020.C4D_4