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http://dx.doi.org/10.3807/KJOP.2006.17.2.127

Simulation of Distributed Optical Fiber Sensors Using Spatially-Selective Brillouin Scattering  

Yun, Seung-Chul (Department of Physics, Chonbuk National University)
Seo, Min-Sung (Department of Physics, Chonbuk National University)
Park, Hee-Gap (Department of Physics, Chonbuk National University)
Publication Information
Korean Journal of Optics and Photonics / v.17, no.2, 2006 , pp. 127-135 More about this Journal
Abstract
We implement numerical simulations for the distributed optical fiber sensor system that uses the spatially-selective Brillouin scattering, by treating the superposition of the optical-frequency-modulated pump/probe waves in the time domain. We obtain temporal and spatial distributions of Brillouin gain for various cases. Simulations are applied to the case of concatenated optical fibers of different kinds and the case of distributed temperature along the fiber, which give reasonable results for the distributed sensor. The result of using a triangular wave instead of a sinusoidal one as a modulation waveform shows that the triangular wave modulation has an advantage in spatial resolution.
Keywords
Optical fiber; Distributed sensor; Brillouin scattering; Optical frequency modulation;
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Times Cited By KSCI : 1  (Citation Analysis)
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