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    Analysis of probe and pump waves interaction in the Brillouin gain scattering by changing the pulse power distribution shape

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    Analysis of probe.pdf (463.9Kb)
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    URI: http://hdl.handle.net/10902/4753
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    Author
    Galíndez Jamioy, Carlos Augusto; Madruga Saavedra, Francisco JavierAutoridad Unican; Lomer Barboza, Mauro MatíasAutoridad Unican; Lázaro Urrutia, José Miguel; López Higuera, José MiguelAutoridad Unican
    Date
    2007
    Derechos
    © Sociedad Española de Óptica
    Publicado en
    5ª Reunión Española de Optoelectrónica, OPTOEL’07, 2007, Bilbao, p. 297-300
    Palabras clave
    Brillouin gain scattering
    Probe and pump interaction
    Pulse shape
    Abstract:
    Spatial resolution is a topic of special interest in the distributed fiber sensing field. The influence of the probe-pulse shape in the interaction between the pulsed light and the continuous wave laser in a pump-probe system is presented. Also this study has the purpose of improving the spatial resolution of the measurement without losing stability in the Brillouin gain Scattering (BGS). Besides it is showed how the backscattering Brillouin gain is affected by inducing variations on the final value of the BGS intensity. Theoretical analysis of the probe pulse in the Brillouin shift and intensity values using sinc, triangular and saw tooth shapes around the phonon lifetime are presented; and also considerations and conclusions are explained.
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    • D50 Congresos [420]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España