Method and apparatus for measuring the birefringence autocorrelation length in optical fibers
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United States of America Patent
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Mar 30, 2010
Grant Date -
Jun 11, 2009
app pub date -
Dec 10, 2007
filing date -
Dec 10, 2007
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Expired
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Abstract
Disclosed is a method and apparatus for determining the birefringence autocorrelation length of a fiber in a non-destructive manner. The PMD of an optical fiber is measured over a first optical spectrum. A Faraday rotation angle is measured over a second optical spectrum. The birefringence autocorrelation length is determined from the measuring of the PMD and the Faraday rotation angle.
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