Ppb-level NH3 photoacoustic sensor combining a hammer-shaped tuning fork and a 9.55µm quantum cascade laser

Ppb-level NH3 photoacoustic sensor combining a hammer-shaped tuning fork and a 9.55µm quantum cascade laser

We present a quartz enhanced photoacoustic spectroscopy (QEPAS) gas sensor designed for precise monitoring of ammonia (NH3) at ppb-level concentrations. The sensor is based on a novel custom quartz tuning fork (QTF) with a mid-infrared quantum cascade laser emitting at 9.55 µm. The custom QTF with a...

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Bibliographic Details
Main Authors:	Shangzhi Li, Yupeng Yuan, Zhijin Shang, Xukun Yin, Angelo Sampaolo, Pietro Patimisco, Vincenzo Spagnolo, Lei Dong, Hongpeng Wu
Format:	Article
Language:	English
Published:	Elsevier 2023-10-01
Series:	Photoacoustics
Subjects:	Quartz enhanced photoacoustic spectroscopy Atmospheric NH3 detection Custom quartz tuning fork
Online Access:	http://www.sciencedirect.com/science/article/pii/S2213597923001106

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