Noninvasive lanthanide‐doped optical thermometers based on fluorescent intensity ratio
(FIR) technique have emerged as promising noncontact tools for detecting the inaccessible …

The development of current technology imposes more and more requirements for
measurement techniques, where one of the most important is temperature measurement. In …

Solution combustion is an exciting phenomenon, which involves propagation of self-
sustained exothermic reactions along an aqueous or sol–gel media. This process allows for …

Temperature monitoring plays an important role in ensuring product quality, saving energy,
promoting the development of national economy and providing basic diagnostic criteria in …

Accurate and reliable temperature measurement of many special inaccessible objects is a
challenging task. Optical temperature sensing is a promising method to achieve it. The …

The present paper covers a detail explanation about the laser induced optical heating and
temperature sensing ability of intense green upconversion emitting Er 3+–Yb 3+ codoped …

Upconversion (UC) luminescence materials doped with rare earth ions are extensively
investigated as optical temperature probes by the fluorescence intensity ratio technique …

Temperature and pressure are crucial physical parameters in materials science, hence their
monitoring is especially important for scientists and engineers. Moreover, the on-target …

Under 980 nm diode laser excitation, efficient upconversion emissions from the Ho 3+/Yb 3+
codoped CaWO 4 phosphor were obtained. The upconversion quantum efficiency was …

The codoping effect of Zn2+ ions on luminescence emission in visible and near infrared
(NIR) regions of Y2O3: Ho3+–Yb3+ phosphor prepared by low temperature combustion …