Optical: systems and elements – Optical amplifier – Optical fiber
Reexamination Certificate
2007-01-30
2007-01-30
Keith, Jack (Department: 3663)
Optical: systems and elements
Optical amplifier
Optical fiber
C501S037000, C501S055000
Reexamination Certificate
active
10725928
ABSTRACT:
The present invention provides fluorescent glass containing at least 50 mol % of at least one kind of oxide selected from the group consisting of SiO2, GeO2, and P2O5as a glass constituent of a region containing a Bi ion as a dopant.
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Fujimoto, Yasushi, et al. “New Fluorescence In 1.3 μ m Band from Bismuth-doped Silica Glass” Institute of Electronics, Information and Communications Engineers: Published Papers, C vol. J83-C, No. 4, pp. 354-355, Apr. 2000.
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Ishikawa Shinji
Kakui Motoki
Murata Takahiro
Shigematsu Masayuki
Tsuchiya Ichiro
Diacou Ari M.
Keith Jack
Kyushu University
McDermott Will & Emery LLP
Sumitomo Electric Industries Ltd.
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