High SBS threshold optical fiber with fluorine dopant
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United States of America Patent
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Jun 5, 2007
Grant Date -
Dec 21, 2006
app pub date -
Jun 8, 2006
filing date -
Jun 15, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The optical fiber comprises: (a) a core having a refractive index profile and a centerline; and (b) a cladding layer surrounding and directly adjacent the core; wherein core includes updoping material and is doped with F in at least one region of the core, such that either: (a) the average longitudinal acoustic wave velocity within the core is within 0.05% of the longitudinal acoustic wave velocity within the cladding; or (b) the longitudinal acoustic wave velocity at one region of the core is different from the longitudinal velocity at another region of the core by at least 0.2%.
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