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    Brillouin optical time-domain analysis sensor assisted by Brillouin distributed amplification of pump pulses

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    Brillouin_Optical.pdf (1.171Mb)
    Date
    2015
    Author
    Urricelqui Polvorinos, Javier Upna
    Sagüés García, Mikel Upna
    Loayssa Lara, Alayn Upna
    Version
    Acceso abierto / Sarbide irekia
    xmlui.dri2xhtml.METS-1.0.item-type
    Artículo / Artikulua
    Version
    Versión publicada / Argitaratu den bertsioa
    Project Identifier
    ES/1PE/TEC2013-47264 
    Impact
     
     
     
    10.1364/OE.23.030448
     
     
     
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    Abstract
    We demonstrate the extension of the measurement range of Brillouin optical time-domain analysis (BOTDA) sensors using a distributed Brillouin amplifier (DBA). The technique is based on injecting a DBA pump wave in the fiber to generate an additional Brillouin interaction that amplifies the BOTDA pump pulses and compensates optical fiber attenuation. This amplification does not introduce any ... [++]
    We demonstrate the extension of the measurement range of Brillouin optical time-domain analysis (BOTDA) sensors using a distributed Brillouin amplifier (DBA). The technique is based on injecting a DBA pump wave in the fiber to generate an additional Brillouin interaction that amplifies the BOTDA pump pulses and compensates optical fiber attenuation. This amplification does not introduce any significant noise to the BOTDA’s probe wave due to the inherent directionality of the Brillouin gain. Additionally, we deploy a differential pulse-width pair measurement method to avoid measurement errors due to the interplay between the self-phase modulation effect and the changes in the temporal shape of the pulses induced by the transient behavior of Brillouin gain. Experimental proof-of-concept results in a 50-km fiber link demonstrate full compensa- tion of the fiber’s attenuation with no penalty on the signal-to-noise ratio of the detected signal. [--]
    Subject
    Stimulated Brillouin scattering, Fiber optics sensors, Brillouin optical time domain analysis, Brillouin amplification
     
    Publisher
    Optical Society of America
    Published in
    Optics Express, Vol. 23, Issue 23, pp. 30448-30458 (2015)
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
     
    Publisher version
    https://doi.org/10.1364/OE.23.030448
    URI
    https://hdl.handle.net/2454/22706
    Sponsorship
    The authors wish to acknowledge the financial support from the Spanish Ministerio de Economía y Competitividad through project TEC2013-47264-C2-2-R, FEDER funds and the Universidad Pública de Navarra.
    Appears in Collections
    • Artículos de revista DIEE - IEES Aldizkari artikuluak [298]
    • Artículos de revista - Aldizkari artikuluak [2168]
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