论文信息 - Polarisation beat length measurement in a single-mode optical fibre by backward Rayleigh scattering

Polarisation beat length measurement in a single-mode optical fibre by backward Rayleigh scattering

Polarisation fluctuation on the backward Rayleigh scattered signal measured by the POTDR (polarisation optical time domain reflectometer) has been investigated by means of the power spectrum. As a result, the spectrum is sharply peaked at the Fourier frequency of 8.3 × 106 Hz determined by the polarisation beat length of 12 m due to the difference in phase velocities between the orthogonal eHE11 and oHE11 modes. The value is in good agreement with the analysis.

Masamitsu Tokuda | Masataka Nakazawa | Tsuneo Horiguchi | Naoya Uchida

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