Fluorophosphate splice glass for joining optical fibers
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Jun 21, 1999
filing date -
Jun 22, 1998
priority date (Note) -
Expired
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Abstract
A low temperature fluorophosphate glass useful for joining single-mode fluoride and silica optical fibers includes 5 to 7 mol % InF.sub.3, 20 to 35 mol % PbF.sub.2 and 57.5 to 75 mol % P.sub.2 O.sub.5. An alkali for maintaining a low glass transition temperature can be included. Up to 25% (glass molar basis) of the P.sub.2 O.sub.5 can be replaced by PbO.
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