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Proceedings Paper

Energy transfer process in the rare-earth-ion-doped lead silicate glasses
Author(s): N. O. Dantas; Fanyao Qu
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Paper Abstract

The Nd3+ Cr3+ single and codoped lead silicate glasses (SiO2-Na2O-Sb2O3- PbO2) were synthesized by means of fusion method. Their optical properties were studied by means of absorption and photoluminescence (PL), recorded at room temperature. The wear 4F3/2 yields 4I9/2 emission band centered at 890 nm observed in the Nd3+ single doped glasses was strongly enhanced in the Nd3+ and Cr3+ codoped glass. The effective mechanisms based on both direct donor-donor energy transfer processes assisted by localized phonons and energy cross-relaxation between donor-acceptor were proposed.

Paper Details

Date Published: 5 April 2002
PDF: 6 pages
Proc. SPIE 4645, Rare-Earth-Doped Materials and Devices VI, (5 April 2002); doi: 10.1117/12.461663
Show Author Affiliations
N. O. Dantas, Univ. Federal de Uberlandia (Brazil)
Fanyao Qu, Univ. Federal de Uberlandia (Brazil)


Published in SPIE Proceedings Vol. 4645:
Rare-Earth-Doped Materials and Devices VI
Shibin Jiang; Robert W. Keys, Editor(s)

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