Sensitivity improvement of quartz-enhanced photoacoustic spectroscopy using the stochastic resonance method

Quartz-enhanced photoacoustic spectroscopy (QEPAS) is a promising technique for trace gas sensing, offering advantages such as compact size and high sensitivity. However, noise remains a critical factor limiting detection sensitivity. In this study, a novel approach was proposed to leverage noise fo...

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Hauptverfasser:	Yingchao Xie, Hao Xiong, Shiling Feng, Ning Pan, Chuan Li, Yixuan Liu, Ye Zhang, Ligang Shao, Gaopeng Lu, Kun Liu, Guishi Wang
Format:	Artigo
Sprache:	Inglês
Veröffentlicht:	Elsevier 2025-06-01
Schriftenreihe:	Photoacoustics
Schlagworte:	Quartz-enhanced photoacoustic spectroscopy (QEPAS) Stochastic resonance (SR) Trace gas sensor Signal enhancement
Online-Zugang:	http://www.sciencedirect.com/science/article/pii/S2213597925000308
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