Polarization dependence of bend loss caused by the polymer coating layer for a
standard singlemode fiber (SMF28) is investigated theoretically and
experimentally. Bend loss for SMF28 for both the TE and TM mode is calculated
separately. Normalized polarization dependent loss is proposed for the
characterization of the polarization sensitivity of bend loss for different bend
radii. Corresponding experimental tests are presented, which agree with the
theoretical results. Both the theoretical and experimental results show that the
polymer coating layer has a significant influence on the polarization dependence
of bend loss.
©2007 Optical Society of America
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