Influence of Doping and Excitation Powers on Optical Thermometry in Yb3+-Er3+ doped CaWO4

Abstract

Optical thermometry has been widely studied to achieve an inaccessible temperature measurement in submicron scale and it has been reported that the temperature sensitivity depends mainly on host types. In this work, we propose a new method to improve the optical temperature sensitivity of Yb3+-Er3+ co-doped CaWO4 phosphors by doping with Li+, Sr2+, and Mg2… (More)
DOI: 10.1038/srep43383

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