Dong Lei, Wu Hongpeng, Zheng Huadan, Liu Yanyan, Liu Xiaoli, Jiang Wenzhe, Zhang Lei, Ma Weiguang, Ren Wei, Yin Wangbao, Jia Suotang, Tittel Frank K
Opt Lett. 2014 Apr 15;39(8):2479-82. doi: 10.1364/OL.39.002479.
Quartz-enhanced photoacoustic spectroscopy (QEPAS) based on double acoustic microresonators (AmRs) is developed and experimentally investigated. The double AmR spectrophone configuration exhibits a strong acoustic coupling between the AmR and the quartz tuning fork, which results in a ∼5 ms fast response time. Moreover, the double AmRs provide two independent detection channels that allow optical signal addition or cancellation from different optical wavelengths and facilitate rapid multigas sensing measurements, thereby avoiding laser beam combination.
基于双声微谐振器（AmR）的石英增强光声光谱（QEPAS）被开发并进行了实验研究。双AmR分光电话配置在AmR和石英音叉之间表现出强烈的声耦合，这导致了约5毫秒的快速响应时间。此外，双AmR提供了两个独立的检测通道，允许对来自不同光波长的光信号进行相加或相消，并便于快速进行多气体传感测量，从而避免了激光束组合。
