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    • Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila
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    Brillouin distributed sensing assisted by Brillouin amplification of pump pulses

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    BrillouinDistributedSensing.pdf (733.9Kb)
    Date
    2014
    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
    Contribución a congreso / Biltzarrerako ekarpena
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/6PN/TEC2010-20224 
    ES/1PE/TEC2013-47264 
    Impact
     
     
     
    10.1109/ICSENS.2014.6985369
     
     
     
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    Abstract
    We demonstrate, for the first time to our knowledge, the extension of the measurement range of Brillouin distributed sensors (BDS) by using a distributed Brillouin amplifier (DBA) to compensate the attenuation of the sensor's pump pulses. The technique is based on injecting an extra DBA pump wave in the fiber to generate an additional Brillouin interaction to that used for sensing. Moreover, the ... [++]
    We demonstrate, for the first time to our knowledge, the extension of the measurement range of Brillouin distributed sensors (BDS) by using a distributed Brillouin amplifier (DBA) to compensate the attenuation of the sensor's pump pulses. The technique is based on injecting an extra DBA pump wave in the fiber to generate an additional Brillouin interaction to that used for sensing. Moreover, the bandwidth of the DBA is tailored to fit that of the pump pulses by deploying a wavelength modulation of the DBA pump that is synchronized to the pump. Experimental proof of concept results demonstrate a fivefold enhancement of the measurement range of a BDS, from 10.36 km to more than 50 km in this particular case. Moreover, it is found that the use of the DBA does not introduce any significant penalty in the detection signal to noise ratio, highlighting the potential of the technique to provide much larger sensing lengths. [--]
    Subject
    Brillouin distributed sensors, Brillouin optical time domain analysis, Brillouin amplification
     
    Publisher
    IEEE
    Published in
    IEEE Sensors 2014
    Description
    Trabajo presentado a IEEE Sensors 2014, celebrado en Valencia (España) del 2 al 5 de noviembre de 2014.
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
     
    Publisher version
    https://dx.doi.org/10.1109/ICSENS.2014.6985369
    URI
    https://hdl.handle.net/2454/22695
    Sponsorship
    The authors wish to acknowledge the financial support from the Universidad Pública de Navarra and Spanish Ministerio de Ciencia e Innovación through the projects TEC2010-20224- C02-01 and TEC2013-47264-C2-2-R.
    Appears in Collections
    • Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak [161]
    • Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak [450]
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