Quartz Enhanced Photoacoustic Spectroscopy for the Detection of Acetone

被引：2
作者：
Hu, Weikai [1 ]
Zhou, Sheng [1 ]
He, Tianbo [1 ]
Li, Jingsong [1 ]
机构：
[1] Anhui Univ, Laser Spect & Sensing Lab, Hefei 230601, Anhui, Peoples R China
来源：
SIXTH INTERNATIONAL CONFERENCE ON OPTICAL AND PHOTONIC ENGINEERING (ICOPEN 2018) | 2018年 / 10827卷
基金：
中国国家自然科学基金;
关键词：
QEPAS; ECQCL; VOCs detection; Acetone;
D O I：
10.1117/12.2326829
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Quartz enhanced photoacoustic spectroscopy (QEPAS) is an extremely effective tool for the detection and quantification of trace gases, which offers advantages of fast response, high sensitivity and high resolution. In this paper, a gas sensor based on quartz-enhanced photoacoustic detection and an external cavity quantum cascade laser (ECQCL) was realized and characterized for acetone measurement. Photoacoustic signal dependence on gas pressure and laser operating parameters were studied to optimize sensor performance. In addition, potential approaches and detection schemes on improving sensor performance were also discussed.
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页数：6
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