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2010 | 118 | 6 | 1108-1112
Article title

Nd^{3+}/Yb^{3+} Doped Phosphate and Antimony Glasses for Optical Fibre Source

Content
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EN
Abstracts
EN
In the article there are presented two different series of glass: fluorophosphate with molar composition: 65P_2O_5-8Al_2O_3-2BaO-5BaF_2-6ZnF_2-5Na_2O-6MgF_2-3B_2O_3 and antimony glasses 40Sb_2O_3-3Al_2O_3-57SiO_2 doped with Nd^{3+} and Yb^{3+} ions. Dopant contents influence efficient spatial overlapping of emission level for neodymium and absorption level for ytterbium was analyzed. While exciting the produced glasses with a laser diode (λ = 808 nm) a broad luminescence spectrum (Δλ = 100 nm) has been obtained in both cases in the vicinity of 1 μm, being the superposition of the following transitions: ^4F_{3/2} → {^4I_{11/2}} for Nd^{3+} and ^2F_{5/2} → {^2F_{7/2}} for Yb^{3+}. Based on the luminescence measurements the probability of non-radiative energy transfer was described. Because of a small difference in energy ( ≈1190 cm^{-1}) between the laser levels of neodymium and ytterbium the resonant process of energy transfer has been obtained.
Keywords
Contributors
author
  • Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland
author
  • Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland
  • Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland
author
  • Białystok University of Technology, Wiejska 45D, 15-351 Białystok, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n607kz
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