A Miniaturized QEPAS Trace Gas Sensor with a 3D-Printed Acoustic Detection Module

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Author
Yang, Xiaotao
Xiao, Youhong
Ma, Yufei
He, Ying
Tittel, Frank K.
Date
2017
Citation
Yang, Xiaotao, Xiao, Youhong, Ma, Yufei, et al.. "A Miniaturized QEPAS Trace Gas Sensor with a 3D-Printed Acoustic Detection Module." Sensors, 17, no. 8 (2017) MDPI: https://doi.org/10.3390/s17081750.
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Abstract
A 3D printing technique was introduced to a quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor and is reported for the first time. The acoustic detection module (ADM) was designed and fabricated using the 3D printing technique and the ADM volume was compressed significantly. Furthermore, a small grin lens was used for laser focusing and facilitated the beam adjustment in the 3D-printed ADM. A quartz tuning fork (QTF) with a low resonance frequency of 30.72 kHz was used as the acoustic wave transducer and acetylene (C2H2) was chosen as the analyte. The reported miniaturized QEPAS trace gas sensor is useful in actual sensor applications.
Keyword
3D printing; C2H2 quantification; QEPAS; miniaturization
Type
Journal article
Publisher
MDPI
Citable link to this page
https://hdl.handle.net/1911/96636
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
Except where otherwise noted, this item's license is described as This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).