Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines

Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines

The position and amount of localized polarization dependent anomalies such as polarization mode dispersion and/or polarization dependent loss may be measured by applying a polarization modulated probe signal to an optical transmission line. The polarization modulated probe signal is returned via opt...

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Bibliographische Detailangaben
Hauptverfasser: BERGANO NEAL S, MAYBACH RICHARD L, ANDERSON CLEO D, PATTERSON WILLIAM W
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
TRANSMISSION
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Beschreibung
Zusammenfassung:The position and amount of localized polarization dependent anomalies such as polarization mode dispersion and/or polarization dependent loss may be measured by applying a polarization modulated probe signal to an optical transmission line. The polarization modulated probe signal is returned via optical feedback paths positioned along the line, and is detected by a probe signal receiver to identify the position and strength of the anomaly.