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2012 | 122 | 5 | 837-840
Article title

Spectroscopic Properties of Yb^{3+}/Tb^{3+} Doped Germanate Glasses

Content
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EN
Abstracts
EN
In the article the cooperative energy transfer in GeO₂-GaO-BaO glass system doped with Yb^{3+}/Tb^{3+} under 980 nm laser diode excitation was investigated. The influence of Tb^{3+} concentration on the luminescent properties was determined. Measured strong luminescence at 489, 543, 586, 621 corresponds to ⁵D₄ → ⁷F_{J} (J = 6, 4, 3) transitions and luminescence at 381, 415, 435 nm results from ⁵D₃, ⁵G₆ → ⁷F_{J} (J = 6, 5, 4) transitions. Mechanism and energy diagram involved in observed emission were discussed. The highest upconversion emission intensity was obtained in the germanate glass doped with 0.7Yb₂O₃/0.7Tb₂O₃.
Keywords
EN
Contributors
  • Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland
author
  • Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland
author
  • Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland
author
  • Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv122n512kz
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