C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 4/18 (2006.01) C03C 3/097 (2006.01) C03C 3/105 (2006.01) C03C 21/00 (2006.01) H01S 3/067 (2006.01) H01S 3/16 (2006.01) H01S 3/17 (2006.01)
Patent
CA 2142650
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 SiO2 38-67 Al2O3 1.5-4.5 Na2O 0-20 ZnO 1.5-8 K2O 0-25 Li2O 0-1 Na2O+K2O 15-30 PbO 0-37 BaO 0-7 P2O5 0-10 P2O5+PbO 5-37
Corning Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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