Multicolor upconversion and color tunability in Tm3+/Ho3+/Yb3+ doped opaque aluminum tellurite ceramics.

Authors :: Sun, L. X.
Gong, H.
Chen, B. J.
Lin, H.
Pun, E. Y. B.
Source :: Journal of Applied Physics; May2009, Vol. 105 Issue 10, p106109-1-106109-3, 3p, 4 Graphs
Publication Year :: 2009
Abstract: Rare earth doped opaque aluminum tellurite ceramics exhibiting multicolor upconversion and color tunability have been synthesized and characterized. The multicolor fluorescence comprises of green, red, and blue upconversion emissions from Ho<superscript>3+</superscript> and Tm<superscript>3+</superscript> ions. By varying the intensity ratios between the upconversion emission bands, the fluorescence color can be tuned from multicolor to white color by changing the infrared wavelength pump power. The fluorescence color tunability in Ho<superscript>3+</superscript>/Tm<superscript>3+</superscript>/Yb<superscript>3+</superscript> triply doped aluminum tellurite ceramics will lead to new applications in the field of multicolor fluorescence technology. [ABSTRACT FROM AUTHOR]

Subjects :: CERAMIC metals
ALUMINUM compounds
TELLURITES
DOPED semiconductors
FLUORESCENCE

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