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Up-conversion luminescence in germanate glass and double-clad optical fibre co-doped with Yb3+/Eu3+ ions

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Języki publikacji
EN
Abstrakty
EN
In the paper the analysis of up−conversion (UC) luminescence in 0.5Yb2O3/(0.25−1)Eu2O3 (mol.%) co−doped germanate glass and optical fibre has been investigated. Up−conversion emission of bands at 591, 616, 652, 701 nm to which correspond Eu3+: 5D07F1, 5D07F2, 5D07F3, 5D0 7F4 transitions, respectively was obtained as a result of cooperative energy transfer between Yb3+ and Eu3+ ions. The highest up−conversion emission (Yb3+ Eu3+ energy transfer efficiency ɲ= 24%) was obtained in 0.5Yb2O3/0.75Eu2O3 co−doped glass. Comparison of up−conversion and down−conversion luminescence spectra of bulk glass, glass fibre and different length double−clad optical fibre (up to 5 m) showed subtle differences in shape of the spectrum. In comparison to down – conversion emission (ʎexc = 405 nm) main UC luminescence band is red−shifted by 2 nm and is characterized by 5 nm greater full – width half – maximum (FWHM).
Twórcy
  • Bialystok University of Technology, Department of Power Engineering, Photonics and Lighting Technology, ul. Wiejska 45 D, 15–351 Bialystok, Poland
autor
  • Bialystok University of Technology, Department of Power Engineering, Photonics and Lighting Technology, ul. Wiejska 45 D, 15–351 Bialystok, Poland
autor
  • Bialystok University of Technology, Department of Power Engineering, Photonics and Lighting Technology, ul. Wiejska 45 D, 15–351 Bialystok, Poland
autor
  • Bialystok University of Technology, Department of Power Engineering, Photonics and Lighting Technology, ul. Wiejska 45 D, 15–351 Bialystok, Poland
autor
  • AGH University of Science and Technology, Faculty of Materials Science and Ceramics, ul. Mickiewicza 30, 30–059 Krakow, Poland
Bibliografia
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Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-388b8516-9b7e-4efb-8f16-117f2a2dcb2d
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