Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jurgen Brendel0
Date of Patent
October 12, 2010
0Patent Application Number
121107340
Date Filed
April 28, 2008
0Patent Primary Examiner
Patent abstract
A device for performing polarization mode dispersion (PMD) measurements of an optical fiber is disclosed. The PMD measurement device employs a fixed analyzer method, and includes a tunable Fabry-Perot inferometer as the wavelength-selective element and an optical bandpass filter for spectrum calibration. A novel scanning algorithm, which performs multiple scans at different velocities, enables accurate PMD measurements, even of moving optical cable. The tunable Fabry-Perot interferometer is able to scan over a wide wavelength range and yet have a narrow linewidth, such that a wide range of PMD values can be measured.
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