Hydrogen concentration relocation in optical fiber
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United States of America Patent
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May 16, 2006
Grant Date -
Aug 19, 2004
app pub date -
Nov 26, 2003
filing date -
Nov 26, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method in accordance with the present invention applies short bursts of a high temperature fluid to a hydrogen-loaded fiber to relocate the hydrogen within the fiber in the proximity of the fiber's core--to achieve a fiber having significantly improved photosensitivity. A stronger fiber grating is realized when the fiber is subsequently exposed to ultraviolet light.
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