A low-noise φ-OTDR sensor is developed by adding a 2-stage pre-amplification system mixing linear and nonlinear amplification in a 3x3 Michelson interferometric configuration. Its performance is evaluated by deploying it as a distributed acoustic sensing system in a survey well (sampling rate: 10 kHz), showing noise floor levels below 1 nε


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Nonlinear amplification in φ-OTDR for distributed acoustic sensing


    Beteiligte:
    Wuilpart, Marc (Herausgeber:in) / Caucheteur, Christophe (Herausgeber:in) / Rossi, L. (Autor:in) / Cheng, L. K. (Autor:in) / De Jong, W. (Autor:in) / Jansen, R. (Autor:in) / Bolognini, G. (Autor:in)

    Kongress:

    European Workshop on Optical Fibre Sensors (EWOFS 2023) ; 2023 ; Mons, Belgium


    Erschienen in:

    Proc. SPIE ; 12643


    Erscheinungsdatum :

    2023-05-23





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Distributed measurement of acoustic vibration location with frequency multiplexed phase-OTDR

    Iida, Daisuke / Toge, Kunihiro / Manabe, Tetsuya | British Library Online Contents | 2017


    Kompaktes OTDR-Meßgerät

    Lauer, Lothar | IuD Bahn | 1995


    Distributed Vibration Sensing Over 125 km With Enhanced SNR Using Phi-OTDR Over a URFL Cavity

    Martins, H. F. / Martin-Lopez, S. / Corredera, P. et al. | British Library Online Contents | 2015


    Distributed Vibration Sensor Based on Coherent Detection of Phase-OTDR

    Lu, Y. / Zhu, T. / Chen, L. et al. | British Library Online Contents | 2010


    Distributed PMD Measurement with a Polarization-OTDR in Optical Fibers

    Huttner, B. / Gisin, B. / Gisin, N. | British Library Online Contents | 1999