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Opt Lett. 2006 Dec 1;31(23):3411-3.

Distributed measurement of birefringence dispersion in polarization-maintaining fibers.

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  • 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China.


A new method to measure the birefringence dispersion in high-birefringence polarization-maintaining fibers is presented using white-light interferometry. By analyzing broadening of low-coherence interferograms obtained in a scanning Michelson interferometer, the birefringence dispersion and its variation along different fiber sections are acquired with high sensitivity and accuracy. Birefringence dispersions of two PANDA fibers at their operation wavelength are measured to be 0.011 ps/(km nm) and 0.018 ps/(km nm), respectively. Distributed measurement capability of the method is also verified experimentally.

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