14 November 2002 Remote Gas Detection Using Millimeter-Wave Spectroscopy for Counter Bio-Terrorism
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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.
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Matthew Szlazak, Matthew Szlazak, Seng Yiep Yam, Seng Yiep Yam, Dejan Majstorovic, Dejan Majstorovic, Hedley J. Hansen, Hedley J. Hansen, Derek Abbott, Derek Abbott, } "Remote Gas Detection Using Millimeter-Wave Spectroscopy for Counter Bio-Terrorism", Proc. SPIE 4937, Biomedical Applications of Micro- and Nanoengineering, (14 November 2002); doi: 10.1117/12.476109; https://doi.org/10.1117/12.476109
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