High resolution method for measuring Brillouin spectrum scattering in special optical fibers
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AuthorGalíndez Jamioy, Carlos Augusto; Madruga Saavedra, Francisco Javier; López Higuera, José Miguel
An experimental setup and a method to obtain the Brillouin scattering spectrum (BSS) out of optical fibers are proposed. The setup is described and experimentally validated by developing the measurement of the Brillouin spectral distribution of a birefringent microstructuted optical fiber. The setup here proposed is based on a Brillouin ring cavity that uses the fiber under test as the active medium. The measurements are obtained in base band by beating the Stokes wave with a reference wave that is taken from the optical pump. The data can be obtained with high resolution frequency.
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