光声光谱气体探测器的新发展  

New research progress of photoacoustic spectroscopy gas detector

作　　者：陈乐君[1] 刘玉玲[1] 余飞鸿[1] 

机构地区：[1]浙江大学现代光学仪器国家重点实验室,浙江杭州310027

出　　处：《光学仪器》2006年第5期86-91,共6页Optical Instruments

摘　　要：首先回顾了光声光谱仪的历史。接着介绍了光声光谱气体探测器的工作原理,讨论了近十年来出现的新颖的光源、微音器及光声池这三个光声系统中的主要器件,详尽介绍了其优缺点及适用范围。最后探讨了气体光声光谱探测系统的发展趋势。This paper reviews the history of the art of photoacoustic spectroscopy （PAS） gas detector, an instrument that monitoring the trace gas. Following a discussion of the basic theory of PAS gas detector, an overview of new research progress of the issues involved in the design of the main components of PAS system is presented. The advantages, disadvantages and the applications of the new components are also introduced. In the end, the discussion about the trend of the PAS gas detector is given.

关 键 词：光声光谱 红外光源 普朗克辐射体 光声池 微音器 悬臂式压力传感器 

分 类 号：TH744.4[机械工程—光学工程]