利用激光并采用热释电探测器的实时测温系统的最优设计  

Optimization about temperature real-time measurement system using lasers and pyroelectric detector

作　　者：施德恒[1] 许启富[1] 刘玉芳[2] 

机构地区：[1]空军第一航空学院基础部,河南信阳464000 [2]河南师范大学物理系,河南新乡453002

出　　处：《光学技术》2001年第2期182-185,共4页Optical Technique

基　　金：河南省科技攻关计划项目!资助 (0 0 1 1 2 0 32 1 )

摘　　要：基于 Kirchhoff定律 ,利用半导体激光器及钽酸锂 (L i Ta O3)热释电探测器设计了一种实用化的反射式实时测温系统。分析了该系统的测量精度、测温灵敏度及测温范围等主要技术指标与激光源的能量、仪器的工作波长、放大器带宽、光学系统的相对孔径等技术参数间的关系。给出了实际系统主要参数选择的最佳方案。Based on the Kirchhoff law, a practical reflective temperature real time measurement system using laser diode and LiTaO 3 pyroelectric detector was developed The relationships between main specifications of the instrument, such as temperature measurement accuracy of the instrument, temperature measurement sensitivity and temperature measurement range, and technical parameters, such as working wavelength of the instrument, bandwidth of amplifier and relative aperture of optical system were analyzed Optimized choice of main technical parameters was given

关 键 词：测温精度 测温灵敏度 热释电探测器 辐射测温 半导体激光器 最优设计 

分 类 号：TH811[机械工程—仪器科学与技术] TN247[机械工程—精密仪器及机械]