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Proceedings Paper

Multicolor up-conversion emission in tellurite glasses co-doped with rare earth ions for white LED applications
Author(s): Paweł Sienkiewicz; Anna Palkowska; Marcin Pietrzycki; Patryk Romanczuk; Jacek Zmojda; Marcin Kochanowicz; Dominik Dorosz
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Paper Abstract

In the article the glass with molar composition of 75TeO2-20ZnO-5Na2O co-doped with Yb3+/Tm3+/Ho3+ ions was fabricated by typical melt-quenching technique. Multicolour up-conversion emission at the wavelengths of 479 nm (blue), 546 nm (green) and 650 nm (red) corresponding to transitions 1G43H6 (Tm3+), 5F45I8 (Ho3+) and 5F55I8 (Ho3+), respectively have been observed under infrared excitation (λexc = 980 nm) at room temperature. Influence of molar ratio of active ions on the colour coordinates (CIE-1931) have been investigated.

Paper Details

Date Published: 16 December 2014
PDF: 8 pages
Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92900H (16 December 2014); doi: 10.1117/12.2075086
Show Author Affiliations
Paweł Sienkiewicz, Bialystok Univ. of Technology (Poland)
Anna Palkowska, Bialystok Univ. of Technology (Poland)
Marcin Pietrzycki, Bialystok Univ. of Technology (Poland)
Patryk Romanczuk, Bialystok Univ. of Technology (Poland)
Jacek Zmojda, Bialystok Univ. of Technology (Poland)
Marcin Kochanowicz, Bialystok Univ. of Technology (Poland)
Dominik Dorosz, Bialystok Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 9290:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014
Ryszard S. Romaniuk, Editor(s)

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