石英增强光声光谱技术研究进展

摘要

石英增强光声光谱(QEPAS)技术是一种新颖的气体探测技术,具有体积小、灵敏度高等优点,是痕量气体检测技术的研究热点.本文对QEPAS技术的基本原理、发展历史及发展现状进行了综述,并对多种不同结构的QEPAS系统发展情况进行了介绍,最后对该技术的发展前景进行了展望.%Quartz-enhanced photoacoustic spectroscopy( QEPAS) is a new technique for gas detec-tion. It is revealed that QEPAS holds merits in many aspects, including small volume and high sen-sitivity. Therefore, it has become the hot researching topic of trace gas detection technique. This pa-per introduces the QEPAS technique principle and the structures of several different QEPAS sys-tems. Furthermore, the development prospect of this kind technique is also predicted.