适于大学物理实验教学的荧光测温方法的设计和性能分析  

Design and Performance Analysis of Fluorescence Temperature Measurement Method Suitable for University Physics Experiment Teaching

作　　者：王祥夫[1] 张嘉伟 周凯[1] WANG Xiangfu;ZHANG Jiawei;ZHOU Kai(Nanjing University of Posts and Telecommunications,Nanjing 210023,China)

机构地区：[1]南京邮电大学,江苏南京210023

出　　处：《大学物理实验》2022年第4期32-36,共5页Physical Experiment of College

摘　　要：采用熔融淬火法成功制备了高发光效率的β-NaYF_(4):Dy^(3+)透明玻璃陶瓷,研究了掺杂贵金属Ag掺杂对β-NaYF_(4):Dy^(3+)玻璃陶瓷的发光光谱和光温传感性能的调控。355 nm激发下获得了发射峰的荧光强度、荧光强度比、光温灵敏度等参数随着温度的变化关系。该研究为大学物理实验教学过程中的测温提供了新的方法。β-NaYF_(4):Dy^(3+)transparent glass-ceramics with high luminous efficiency were successfully prepared by melt quenching method.The control of the luminescence spectrum and photo-temperature sensing properties ofβ-NaYF_(4):Dy^(3+)glass-ceramics by doping noble metal Ag was investigated.The relationship between the fluorescence intensity,fluorescence intensity ratio,temperature sensitivity and other parameters with temperature was obtained under the excitation of 355 nm.This research provides a new method for temperature measurement in the teaching process of university physics experiments.

关 键 词：玻璃陶瓷 荧光测温 荧光强度比 Dy^(3+) 

分 类 号：G642[文化科学—高等教育学]