Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edison Pecoraro0
Eduardo Mauro Nascimento0
Sidney J. L. Ribeiro0
Younés Messaddeq0
Date of Patent
August 10, 2010
0Patent Application Number
115960140
Date Filed
May 11, 2004
0Patent Primary Examiner
Patent abstract
A germanate glass composition suitable for use in a fiber amplifier for broadband amplification of optical signals is provided. The glass preferably includes 35-75% GeO2, 0-45% PbO, 5-20% BaO, 5-20% ZnO, and 2-10% R2O (R=Na, Li, K). It is doped with thulium ions (Tm3+) and codoped with holmium ions (Ho3+). The glass composition of results in a remarkably large bandwidth as compared with previous glasses. It is also highly compatible with existing silica optical fibers.
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