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9 June 2004 Spatially resolved measurement of chromatic dispersion and Brillouin shift along single-mode optical fibers
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Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566638
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain
Abstract
We present a new technique for simultaneous measurement of chromatic dispersion and Brillouin shift distribution along conventional, single-mode optical fibers used in telecommunications. It is based on performing Brillouin Optical Time Domain Analysis (BOTDA) over the four-wave mixing generated by two low-power pumps (< 10 mW). Unlike others, this technique can measure any arbitrary value of dispersion. With the use of this technique we have obtained consistent, high-resolution and low-noise measurements for both magnitudes. Our measurements indicate a certain correlation betwen the spatial distribution of both quantities, although the degree of correlation varies for the different manufacturers tested.
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Miguel Gonzalez Herraez and Luc Thevenaz "Spatially resolved measurement of chromatic dispersion and Brillouin shift along single-mode optical fibers", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566638
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