Journal
JOURNAL OF APPLIED PHYSICS
Volume 105, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3126462
Keywords
aluminium compounds; ceramics; fluorescence; holmium; optical frequency conversion; thulium; ytterbium
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Funding
- Science and Technology Foundation of Liaoning Province [20041067]
- Research Grants Council of the Hong Kong Special Administrative Region, China [CityU 1197/08]
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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 Ho3+ and Tm3+ 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 Ho3+/Tm3+/Yb3+ triply doped aluminum tellurite ceramics will lead to new applications in the field of multicolor fluorescence technology.
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