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Proceedings Paper

Carbon monoxide detection using passive and active millimeter-wave radiometry
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Paper Abstract

This paper investigates the use of the rotational molecular resonance lines of carbon monoxide for the detection of this gas. Active and passive techniques are investigated, concluding that a passive technique is feasible, but that an active technique is not. The passive technique would use a three channel spectral radiometer tuned on and around the resonance line. Concentrations of 10 parts per million could be detected over a path length of 100 m. Such a system could be incorporated into a passive millimeter wave imager to detect and measure remotely concentrations of carbon monoxide. Using active techniques, it is shown that modulated radiation temperature changes are too small to be measured using radiometry.

Paper Details

Date Published: 20 July 2000
PDF: 4 pages
Proc. SPIE 4032, Passive Millimeter-Wave Imaging Technology IV, (20 July 2000); doi: 10.1117/12.391826
Show Author Affiliations
Neil Anthony Salmon, Defence Evaluation and Research Agency Malvern (United Kingdom)
Roger Appleby, Defence Evaluation and Research Agency Malvern (United Kingdom)


Published in SPIE Proceedings Vol. 4032:
Passive Millimeter-Wave Imaging Technology IV
Roger M. Smith; Roger Appleby, Editor(s)

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