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PbO–Bi2O3–Ga2O3–BaO glasses doped by Er3+ as novel materials for IR emission

✍ Scribed by I.V. Kityk; J. Wasylak; D. Dorosz; J. Kucharski; S. Benet; H. Kaddouri

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
119 KB
Volume
33
Category
Article
ISSN
0030-3992

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✦ Synopsis

Infra-red luminescence (at wavelengths about 1600 and 2500 nm) from Er 3+ ions embedded in PbO-Bi2O3-Ga2O3-BaO glass hosts is reported for room and helium liquid temperatures. The substantial in uence of energy transfer processes between the host and Er 3+ ions is shown experimentally through the dependences of photoluminescence on light polarization and excitation wavelength. Only the application of the polarized pumping YAG-Nd laser beam ( = 1060 nm) stimulates substantial luminescence with quantum e ciency up to 24%. The role of phonon-relaxation subsystem in the observed luminescence is discussed.

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