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Acoustic Detection Module Design of a Quartz-Enhanced Photoacoustic Sensor

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, China
Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China
Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
Author to whom correspondence should be addressed.
Sensors 2019, 19(5), 1093;
Received: 26 January 2019 / Revised: 17 February 2019 / Accepted: 23 February 2019 / Published: 4 March 2019
(This article belongs to the Special Issue Optical Sensing and Imaging, from UV to THz Range)
PDF [2033 KB, uploaded 5 March 2019]


This review aims to discuss the latest advancements of an acoustic detection module (ADM) based on quartz-enhanced photoacoustic spectroscopy (QEPAS). Starting from guidelines for the design of an ADM, the ADM design philosophy is described. This is followed by a review of the earliest standard quartz tuning fork (QTF)-based ADM for laboratory applications. Subsequently, the design of industrial fiber-coupled and free-space ADMs based on a standard QTF for near-infrared and mid-infrared laser sources respectively are described. Furthermore, an overview of the latest development of a QEPAS ADM employing a custom QTF is reported. Numerous application examples of four QEPAS ADMs are described in order to demonstrate their reliability and robustness. View Full-Text
Keywords: quartz-enhanced photoacoustic spectroscopy; acoustic detection module; quartz tuning fork quartz-enhanced photoacoustic spectroscopy; acoustic detection module; quartz tuning fork

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Wei, T.; Wu, H.; Dong, L.; Tittel, F.K. Acoustic Detection Module Design of a Quartz-Enhanced Photoacoustic Sensor. Sensors 2019, 19, 1093.

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