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Optics Express
Article . 2021 . Peer-reviewed
License: https://doi.org/10.1364/OA_License_v1#VOR-OA
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Optics Express
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Optics Express
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https://dx.doi.org/10.1364/oe....
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Quartz-enhanced photoacoustic-photothermal spectroscopy for trace gas sensing

descriptionPublicationkeyboard_double_arrow_right Article 02 Feb 2021 English Publisher:Optica Publishing GroupJournal:Optics Express, volume 29, page 5,121 (eissn: 1094-4087, Copyright policy )
Authors: Yinqiu Hu; Shunda Qiao; Ying He; Ziting Lang; Yufei Ma;

doi: 10.1364/oe.418256

pmid: 33726053

Quartz-enhanced photoacoustic-photothermal spectroscopy for trace gas sensing

Abstract

A trace gas detection technique of quartz-enhanced photoacoustic-photothermal spectroscopy (QEPA-PTS) is demonstrated. Different from quartz-enhanced photoacoustic spectroscopy (QEPAS) or quartz-enhanced photothermal spectroscopy (QEPTS), which detected only one single kind of signal, QEPA-PTS was realized by adding the photoacoustic and photothermal signals generated from two quartz tuning forks (QTFs), respectively. Water vapor (H2O) with a volume concentration of 1.01% was selected as the analyte gas to investigate the QEPA-PTS sensor performance. Compared to QEPAS and QEPTS, an enhanced signal level was achieved for this QEPA-PTS system. Further improvement of such a technique was proposed.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
59
Top 1%
Top 10%
Top 1%
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