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Emissions at 1.3µm and mid-infrared region from several rare-earths ions doped into PbO-Bi2O3-Ga2O3 glasses were
investigated. Lifetime of the Pr3+:1G4 level was 53µs with a quantum efficiency of 9%. Emission at 2.73µm from Er3+, which
is normally quenched in oxide glass, was evident and the lifetime of the upper emission level was approximately 900µs.
Thermal stability of PbO-Bi2O3-Ga2O3 glass was considerably improved by adding 10 mole % of GeO2. Doping of Tm3+ and
Ho3+ showed potentials for S-band fiber-optic amplification.
Jong Heo
"Emission properties of heavy metal oxide glasses doped with rare-earths", Proc. SPIE 5061, International Symposium on Photonic Glass (ISPG 2002), (16 July 2003); https://doi.org/10.1117/12.548422
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Jong Heo, "Emission properties of heavy metal oxide glasses doped with rare-earths," Proc. SPIE 5061, International Symposium on Photonic Glass (ISPG 2002), (16 July 2003); https://doi.org/10.1117/12.548422