Non-local effects in dual-probe-sideband Brillouin optical time domain analysis.

  title={Non-local effects in dual-probe-sideband Brillouin optical time domain analysis.},
  author={Alejandro Dominguez-Lopez and Xabier Angulo-Vinuesa and Alexia Lopez-Gil and Sonia Martin-Lopez and M. Gonz{\'a}lez-Herr{\'a}ez},
  journal={Optics express},
  volume={23 8},
According to recent models, non-local effects in dual-probe-sideband Brillouin Optical Time Domain Analysis (BOTDA) systems should be essentially negligible whenever the probe power is below the Stimulated Brillouin Scattering (SBS) threshold. This paper shows that actually there appear non-local effects in this type of systems before the SBS threshold. To explain these effects it is necessary to take into account a full spectral description of the SBS process. The pump pulse experiences a… CONTINUE READING
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