Light-amplifying glass, light-amplifying medium and resin-coated light-amplifying medium
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United States of America Patent
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Sep 16, 2003
Grant Date -
N/A
app pub date -
Apr 20, 2001
filing date -
Oct 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical amplifying glass comprising a matrix glass and, added thereto, from 0.01 to 10 wt % of Er, characterized in that said matrix glass substantially comprises, as represented by mol %, 20 to 80 of Bi.sub.2 O.sub.3, 0 to 74.89 of B.sub.2 O.sub.3, 0 to 79.99 of SiO.sub.2, 0.01 to 10 of CeO.sub.2, 0 to 50 of Li.sub.2 O, 0 to 50 of TiO.sub.2, 0 to 50 of ZrO.sub.2, 0 to 50 of SnO.sub.2, 0 to 30 of WO.sub.3, 0 to 30 of TeO.sub.2, 0 to 30 of Ga.sub.2 O.sub.3 and 0 to 10 of Al.sub.2 O.sub.3, with the proviso that said matrix glass contains at least one of B.sub.2 O.sub.3 and SiO.sub.2.
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