Apparatus for selective photosensitization of optical fiber
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United States of America Patent
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Feb 22, 2005
Grant Date -
Jun 26, 2003
app pub date -
Dec 20, 2001
filing date -
Dec 20, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus that exposes only a selected portion of a length of optical fiber to a hydrogen atmosphere loading process. The apparatus includes a loading chamber that encloses at least the selected portion of the optical fiber and contains a hydrogen hydrogen atmosphere. At least one heating element regionally heats the hydrogen atmosphere surrounding the selected portion. The heating element may heat the hydrogen atmosphere to a temperature of at least 250.degree. C.
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