Dual interband cascade laser based trace-gas sensor for environmental monitoring

Gerard Wysocki, Yury Bakhirkin, Stephen So, Frank K. Tittel, Cory J. Hill, Rui Q. Yang, Matthew Fraser

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

The development of an interband cascade laser (ICL) based spectroscopic trace-gas sensor for the simultaneous detection of two atmospheric trace gases is reported. The sensor performance was evaluated using two ICLs capable of targeting formaldehyde (H2CO) and ethane (C2H 6). Minimum detection limits of 3.5 ppbV for H2CO and 150 pptV for C2H6 was demonstrated with als integration time. The sensor was deployed for field measurements of H2CO, and laboratory quantification of both formaldehyde and ethane are reported. A cross comparison of the atmospheric concentration data for H2CO with data collected by a collocated commercial H2CO sensor employing Hantzsch reaction based fluorometric detection was performed. These results show excellent agreement between these two different approaches for trace-gas quantification. In addition, laboratory experiments for dual gas quantification show accurate, fast response with no crosstalk between the two gas channels.

Original languageEnglish (US)
Pages (from-to)8202-8210
Number of pages9
JournalApplied Optics
Volume46
Issue number33
DOIs
StatePublished - Nov 20 2007
Externally publishedYes

Fingerprint

environmental monitoring
Chemical sensors
cascades
Lasers
Monitoring
sensors
Ethane
Gases
gases
Formaldehyde
lasers
Sensors
formaldehyde
ethane
Crosstalk
crosstalk
Experiments

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Wysocki, G., Bakhirkin, Y., So, S., Tittel, F. K., Hill, C. J., Yang, R. Q., & Fraser, M. (2007). Dual interband cascade laser based trace-gas sensor for environmental monitoring. Applied Optics, 46(33), 8202-8210. https://doi.org/10.1364/AO.46.008202

Dual interband cascade laser based trace-gas sensor for environmental monitoring. / Wysocki, Gerard; Bakhirkin, Yury; So, Stephen; Tittel, Frank K.; Hill, Cory J.; Yang, Rui Q.; Fraser, Matthew.

In: Applied Optics, Vol. 46, No. 33, 20.11.2007, p. 8202-8210.

Research output: Contribution to journalArticle

Wysocki, G, Bakhirkin, Y, So, S, Tittel, FK, Hill, CJ, Yang, RQ & Fraser, M 2007, 'Dual interband cascade laser based trace-gas sensor for environmental monitoring', Applied Optics, vol. 46, no. 33, pp. 8202-8210. https://doi.org/10.1364/AO.46.008202
Wysocki G, Bakhirkin Y, So S, Tittel FK, Hill CJ, Yang RQ et al. Dual interband cascade laser based trace-gas sensor for environmental monitoring. Applied Optics. 2007 Nov 20;46(33):8202-8210. https://doi.org/10.1364/AO.46.008202
Wysocki, Gerard ; Bakhirkin, Yury ; So, Stephen ; Tittel, Frank K. ; Hill, Cory J. ; Yang, Rui Q. ; Fraser, Matthew. / Dual interband cascade laser based trace-gas sensor for environmental monitoring. In: Applied Optics. 2007 ; Vol. 46, No. 33. pp. 8202-8210.
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