Phosphate glass useful in high power lasers
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United States of America Patent
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Jul 16, 1991
Issued Date -
N/A
app pub date -
May 18, 1989
filing date -
Apr 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A low- or no-silica phosphate glass useful as a high average power laser medium and having a high thermal conductivity, K.sub.90.degree. C. >0.8 W/mK, and a low coefficient of thermal expansion, .alpha..sub.20.degree.-300.degree. C. <90.times.10.sup.-7 /.degree.C., consisting essentially of (on a batch composition basis):
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