优化光学温度测量与三多的Ba2GdV3O11光体:比率计和光寿命分析
Ikhlas Kachou1, Kamel Saidi1, Utku Ekim2
1Laboratoire de Physique Appliquée, Groupe de Physique des Matériaux Luminescents, Faculté des Sciences de Sfax, Département de Physique, Université de Sfax, BP 1171, Sfax, Tunisia.
Heliyon
|May 6, 2024
概括
使用光比率技术 (FIR) 和光寿命 (FL) 的新光器提供精确的温度传感. 这些材料对先进的光学温度计具有很高的热敏度.
科学领域:
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
- 固态物理 固态物理
背景情况:
- 光学传感器技术正在与光比率技术 (FIR) 和光寿命 (FL) 战略一起发展.
- 这些方法提高了光学传感应用中的精度,性能和可靠性.
研究的目的:
- 为了合成和研究Ba2GdV3O11被稀土离子 (Ho3+,Nd3+,Er3+,Yb3+) 用于光学温度计.
- 用FIR和FL策略评估这些的温度传感能力.
主要方法:
- 合成Ba2GdV3O11的索尔凝方法.
- 结构性,形态性和光学性质的表征.
- 在980nm激发下进行上转换排放测量.
- 基于排放频段强度和寿命的FIR和FL策略的温度传感评估.
主要成果:
- 合成的Ba2GdV3O11体在980nm激发时呈现绿色和红色光谱的上转换排放.
- 对于Ho3+,Nd3+和Er3+的发射频段强度显示出对温度变化的高度敏感性.
- 实现了高达1.07%K-1 (FIR) 和0.47%K-1 (FL) 的增强热敏度.
- 证明了精确的温度检测能力,分辨率为0.3K.
结论:
- 霍3+/Nd3+/Er3+/Yb3+杂的Ba2GdV3O11对光学温度计是有效的.
- FIR和FL策略为温度传感提供高热灵敏度和精度.
- 这些体显示出先进的科学和工业光学温度传感应用的巨大潜力.
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