锁相环技术在荧光法测温中的应用

Phase-locked detection of fluorescence lifetime and its thermometric applications

介绍了荧光测温的原理 ,推导荧光测温各个环节的数学表达式 ,说明锁相环测荧光寿命的原理 ,给出各点的信号分析图。推导荧光寿命与锁相环输出频率的数学关系 ,提出选择锁相环参数的方法并给出图象说明。进行系统的误差分析。

The theory of detecting temperature with fluorescence lifetime-based fiber-optic sensors is discussed. The phase-locked detectors is used to achieve a high noise-suppression ability.Some equation and schematics to show the theory are given.