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Low temperature sensitivity of upconversion emission in Y2O3:Yb,Tm and Y2O3:Yb,Ho powders
(2nd International Conference on Optical, Electronic and Electrical Materials, 5-7 August 2012, Shanghai, China, 2012)
In recent years trivalent rare earth doped materials have received significant attention for optical temperature sensors. In these materials ratio of fluorescence emissions from different energy levels exhibit strong ...