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A Point Temperature Sensor Based on Upconversion Emission in Er3+/Yb3+ Codoped Tellurite-Zinc-Niobium Glass

机译:基于上转换发射的Er3 + / Yb3 +共掺杂碲酸盐-锌-铌玻璃点温度传感器

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摘要

Er3+/Yb3+ codoped tellurite-zinc-niobium (TZNb) glass was prepared by the melt-quenching method and used for the construction of a point all-fiber temperature sensor. The glass thermal stability and network structural properties were studied by differential thermal analysis and Raman spectrum, respectively. High glass transition temperature is beneficial to widen the working temperature range. The dependence of fluorescence intensity ratio (FIR) of green upconversion emissions on the surrounding temperature from 276 to 363 K was experimentally investigated and the maximum temperature sensitivity is 95 × 10−4 K−1 at 363 K. Strong green upconversion emission, broad temperature measurement range and high sensitivity indicate this point temperature sensor is a promising optical device for application on optical temperature sensing.
机译:通过熔体淬火法制备了Er 3 + / Yb 3 + 共掺杂的亚碲酸盐-锌-铌(TZNb)玻璃,并用于制备点全纤维。温度感应器。通过差热分析和拉曼光谱分别研究了玻璃的热稳定性和网络结构性质。高玻璃化转变温度有利于扩大工作温度范围。实验研究了绿色上转换发射的荧光强度比(FIR)对276至363 K周围温度的依赖性,最大温度灵敏度为95×10 −4 K -1 < / sup>在363 K时。强烈的绿色上转换发射,宽的温度测量范围和高灵敏度表明,该点温度传感器是一种有前途的光学器件,可用于光学温度感测。

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