Temperature sensing using YAG:Dy single-crystal phosphor
2021
In this paper, we analyze remote temperature sensing of using dysprosium-doped yttrium aluminum garnet (YAG: single crystal by means of fluorescence intensity ratio method. The single crystal was produced by the Verneuil process. Photoluminescence spectra were acquired using continuous laser diode excitation at 365 nm. The calculation of temperature sensing calibration curve was based on ratio of intensities of 458 nm and 493 nm spectral lines. It is shown that the synthesized material can be efficiently used as a thermographic phosphor up to 1273 K. Our results are compared with other recently published results using principal component analysis.
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