Abstract
In the last 10 years, Telcordia has conducted numerous first-order PMD (Polarization Mode Dispersion) measurements of installed optical fibers at various locations throughout North America. The measurements were made by using test instruments based on interferometric method. This work has been reported in detail in the past NFOEC symposia. The results have been analyzed with respect to various cable designs, type of outside plant, year of manufacture, and cable manufacturers. Recently, Telcordia has had the opportunity to make additional PMD measurements on previously characterized optical fibers. The new Telcordia measurements were made by using test instruments based on four measurement techniques. The recent PMD measurements include equipment that uses the following PMD measurement techniques:
© 2006 Optical Society of America
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