Quartz-enhanced photoacoustic spectroscopy (QEPAS) and Beat Frequency-QEPAS techniques for air pollutants detection: A comparison in terms of sensitivity and acquisition time.
Air pollutants detection
BF-QEPAS
Multigas measurement
NO detection
QEPAS
Journal
Photoacoustics
ISSN: 2213-5979
Titre abrégé: Photoacoustics
Pays: Germany
ID NLM: 101622604
Informations de publication
Date de publication:
Jun 2023
Jun 2023
Historique:
received:
10
02
2023
revised:
10
03
2023
accepted:
22
03
2023
medline:
31
5
2023
pubmed:
31
5
2023
entrez:
31
5
2023
Statut:
epublish
Résumé
In this work, a comparison between Quartz Enhanced Photoacoustic Spectroscopy (QEPAS) and Beat Frequency-QEPAS (BF-QEPAS) techniques for environmental monitoring of pollutants is reported. A spectrophone composed of a T-shaped Quartz Tuning Fork (QTF) coupled with resonator tubes was employed as a detection module. An interband cascade laser has been used as an exciting source, allowing the targeting of two NO absorption features, located at 1900.07 cm
Identifiants
pubmed: 37255964
doi: 10.1016/j.pacs.2023.100479
pii: S2213-5979(23)00032-0
pmc: PMC10225917
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100479Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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