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    Brillouin optical time-domain analysis sensor with pump pulse amplification

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    BrillouinAmplification.pdf (1.547Mb)
    Date
    2016
    Author
    Mompó Roselló, Juan José Upna
    Urricelqui Polvorinos, Javier 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.24.012672
     
     
     
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    Abstract
    We demonstrate a simple technique to provide conventional Brillouin optical time-domain analysis sensors with mitigation for pump pulse attenuation. The technique is based on operating the sensor in loss configuration so that energy is transferred from the probe wave to the pump pulse that becomes amplified as it counter-propagates with the probe wave. Furthermore, the optical frequency of the pr ... [++]
    We demonstrate a simple technique to provide conventional Brillouin optical time-domain analysis sensors with mitigation for pump pulse attenuation. The technique is based on operating the sensor in loss configuration so that energy is transferred from the probe wave to the pump pulse that becomes amplified as it counter-propagates with the probe wave. Furthermore, the optical frequency of the probe wave is modulated along the fiber so that the pump pulse experiences a flat total gain spectrum that equally amplifies all the spectral components of the pulse, hence, preventing distortion. This frequency modulation of the probe brings additional advantages because it provides increased tolerance to non-local effects and to spontaneous Brillouin scattering noise, so that a probe power above the Brillouin threshold of the fiber can be safely deployed, hence, increasing the signal-to-noise ratio of the measurement. The method is experimentally demonstrated in a 100-km fiber link, obtaining a measurement uncertainty of 1 MHz at the worst-contrast position. [--]
    Subject
    Stimulated Brillouin scattering, Fiber optics sensors, Brillouin optical time domain analysis, Brillouin amplification
     
    Publisher
    Optical Society of America
    Published in
    Optics Express Vol. 24, Issue 12, pp. 12672-12681 (2016)
    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.24.012672
    URI
    https://hdl.handle.net/2454/22656
    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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