Novel scanning method for distortion-free BOTDA measurements.

@article{DominguezLopez2016NovelSM,
  title={Novel scanning method for distortion-free BOTDA measurements.},
  author={Alejandro Dominguez-Lopez and Zhisheng Yang and Marcelo A Soto and Xabier Angulo-Vinuesa and Sonia Martin-Lopez and Luc Th{\'e}venaz and M. Gonz{\'a}lez-Herr{\'a}ez},
  journal={Optics express},
  year={2016},
  volume={24 10},
  pages={
          10188-204
        }
}
Systematic errors induced by distortions in the pump pulse of conventional Brillouin distributed fiber sensors are thoroughly investigated. Experimental results, supported by a theoretical analysis, demonstrate that the two probe sidebands in standard Brillouin optical time-domain analyzers provide a non-zero net gain on the pump pulse, inducing severe distortions of the pump when scanning the pump-probe frequency offset, especially at high probe power levels. Compared to the impact of non… CONTINUE READING

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