Accelerated aging of phosphorus-doped optical fibers
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United States of America Patent
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May 21, 2013
Grant Date -
Aug 27, 2009
app pub date -
Sep 5, 2008
filing date -
Feb 26, 2008
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Abstract
Adverse hydrogen aging limitations in multiply-doped optical fibers are overcome by passivating these optical fibers using a deuterium passivation process. This treatment essentially pre-reacts the glass with deuterium so that the most active glass sites are no longer available to react with hydrogen in service. Optical fibers of main interest are doped with mixtures of germanium and phosphorus. Optimum passivating process conditions are described.
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