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

• Authors: M. Kochanowicz , D. Dorosz , J. Żmojda , J. Dorosz
• Languages of publication: 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

42.81.-i; 42.79.Ag; 42.70.-a

Discipline

• 42.70.-a: Optical materials(see also 81.05.-t Specific materials: fabrication, treatment, testing and analysis)
• 42.81.-i: Fiber optics
• 42.79.Ag: Apertures, collimators

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 5
• Pages: 837-840

Dates

published

2012-11

Contributors

author

M. Kochanowicz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

D. Dorosz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

J. Żmojda

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

author

J. Dorosz

• Department of Optoelectronics and Lighting Technology, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland

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Identifiers

DOI

10.12693/APhysPolA.122.837