Optical signal amplifier glasses
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United States of America Patent
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Dec 12, 1995
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N/A
app pub date -
Mar 25, 1994
filing date -
Mar 25, 1994
priority date (Note) -
Expired
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Abstract
An optical signal amplifier comprising an optical waveguide fiber integrated by thallium ion exchange in a boron-free silicate glass doped with up to 5 weight % erbium oxide, the glass having a base composition, as calculated in weight percent on an oxide basis, consisting essentially of
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