17 June 2009 Spatial resolution enhancement for Brillouin optical time domain analysis distributed sensor by use of correlation peak
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Abstract
Distributed optical fiber sensors based on Brillouin scattering by measurement on time domain, due to its capability for strain and temperature measurement continuously for long range, are currently interesting. These sensors are based on spectral characteristics change of back scattered light at different places along the fiber. For this method Spatial resolution is limited by pulse length. We want to improve spatial resolution at time domain sensors by using of sinusoidal frequency modulation of pulse probe and continuous pump light. In this article, this method is simulated.
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Soodabeh Nouri Jouybari, Hamid Latifi, Atefeh Ahmadlou, Morteza Karami, "Spatial resolution enhancement for Brillouin optical time domain analysis distributed sensor by use of correlation peak", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 73892T (17 June 2009); doi: 10.1117/12.827460; https://doi.org/10.1117/12.827460
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