Phosphorus-silicate fibers suitable for extended band...

Details Phosphorus-silicate fibers suitable for extended band... Phosphorus-silicate fibers suitable for extended band...

C - Chemistry, Metallurgy

03

C

C03C 13/04 (2006.01) C03C 3/097 (2006.01) H01S 3/067 (2006.01) H01S 3/16 (2006.01) H01S 3/17 (2006.01)

Patent

CA 2396335

An optically active phosphorus-silicate glass when pumped to directly excite Er ions provides gain in 1565nm to 1620nm range and comprises in weight percent: SiO2 50 to 92%; Er2O3 0.01 to 2%; P2O5 greater than 5%; and Al2O3 0.0 to 0.3%.

L'invention concerne un verre de phosphosilicate optiquement actif qui, lorsqu'il subit un pompage afin d'exciter directement des ions Er, permet d'obtenir un gain dans le domaine compris entre 1565 nm et 1620 nm, et qui est constitué, en pour cent en poids, de 50 à 92 % de SiO¿2?, de 0,01 à 2 % de Er¿2?O¿3?, de plus de 5 % de P¿2?O¿5? et de 0,0 à 0,3 % de Al¿2?O¿3?.

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