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Temperature dependence of peak intensity and peak intensity ratio of photoluminescence (PL) from composite thermo-sensor with Cr doped garnet crystal (YAG) is evaluated for fluorescence thermometer. Peak intensity of PL decreases with temperature. Intensity ratio of PL peaks increases linearly with temperature from 300 to 500 K. Composite sensor with Cr doped YAG is potentially useful sensor material...
Fluorescence thermometer based on peak intensity and peak intensity ratio of photoluminescence (PL) is developed using a silicone composite sensor with Cr doped spinel crystal. Standard deviation of temperature coefficient of PL peak intensity ratio is much smaller than those of PL peak intensity. PL peak intensity ratio is found to be useful for temperature measurement. Fluorescence thermometer based...
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