Remote gas detection using millimeter-wave spectroscopy for counter bioterrorism

Matthew Szlazak; Seng Yiep Yam; Dejan Majstorovic; Hedley J. Hansen; Derek Abbott

doi:10.1117/12.476109

14 November 2002 Remote Gas Detection Using Millimeter-Wave Spectroscopy for Counter Bio-Terrorism

Matthew Szlazak, Seng Yiep Yam, Dejan Majstorovic, Hedley J. Hansen, Derek Abbott

Proceedings Volume 4937, Biomedical Applications of Micro- and Nanoengineering; (2002) https://doi.org/10.1117/12.476109
Event: SPIE's International Symposium on Smart Materials, Nano-, and Micro- Smart Systems, 2002, Melbourne, Australia

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.

Citation Download Citation

Matthew Szlazak, Seng Yiep Yam, Dejan Majstorovic, Hedley J. Hansen, and 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); https://doi.org/10.1117/12.476109

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