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Opt Lett. 2004 Jul 15;29(14):1605-7.

Strain dependence of Brillouin frequency, intensity, and bandwidth in polarization-maintaining fibers.

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  • 1Fiber Optics Group, Department of Physics, University of Ottawa, Ottawa, Ontario, Canada.


The strain dependence of the Brillouin gain-loss spectrum for PANDA, bow-tie, and tiger polarization-maintaining fibers has been studied in the range 0 to 50 degrees C. We found a linear relationship between the strain and the Brillouin frequency, intensity, and bandwidth for PANDA and bow-tie fibers. For PANDA fiber at 20-cm spatial resolution, Brillouin frequency gives 7-micro epsilon uncertainty, which is the highest accuracy among three parameters, whereas the Brillouin bandwidth gives 19-micro epsilon uncertainty.

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