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Proceedings Paper

Remote gas detection using millimeter-wave spectroscopy for counter bioterrorism
Author(s): Matthew Szlazak; Seng Yiep Yam; Dejan Majstorovic; Hedley J. Hansen; Derek Abbott
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Paper Abstract

The mm-wave (10-110 GHz) frequency band contains the fundamental rotational resonance frequencies of many molecular gases composed of carbon, nitrogen, oxygen and sulfur. The high specificity of the rotational spectra to organic molecules affords mm-wave spectroscopy having potential use in remotely sensing atmospheric pollutants and the detection of airborne chemicals is gaining importance for arms control treaty verification, intelligence collection and environmental monitoring. This paper considers RF receiver systems for remote chemical detection measurements based on mm-wave spectral line emissions. It discusses the design, performance and operation of specific receiving systems for detecting the presence of ammonia in laboratory based transmit-and-receive experiments.

Paper Details

Date Published: 14 November 2002
PDF: 11 pages
Proc. SPIE 4937, Biomedical Applications of Micro- and Nanoengineering, (14 November 2002); doi: 10.1117/12.476109
Show Author Affiliations
Matthew Szlazak, Univ. of Adelaide (Australia)
Seng Yiep Yam, Univ. of Adelaide (Australia)
Dejan Majstorovic, Defence Science and Technology Organisation (Australia)
Hedley J. Hansen, Defence Science and Technology Organisation (Australia)
Derek Abbott, Univ. of Adelaide (Australia)

Published in SPIE Proceedings Vol. 4937:
Biomedical Applications of Micro- and Nanoengineering
Dan V. Nicolau, Editor(s)

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