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Proceedings Article

Handheld hyperspectral imager for standoff detection of chemical and biological aerosols

[+] Author Affiliations
Michele Hinnrichs

Pacific Advanced Technology (USA)

James O. Jensen

U.S. Army Soldier and Biological Chemical Command (USA)

Gerard McAnally

Defence Science and Technology Lab. (United Kingdom)

Proc. SPIE 5268, Chemical and Biological Standoff Detection, 67 (February 27, 2004); doi:10.1117/12.519163
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From Conference Volume 5268

  • Chemical and Biological Standoff Detection
  • James O. Jensen; Jean-Marc Theriault
  • Providence, RI | October 27, 2003

abstract

Pacific Advanced Technology has developed a small hand held imaging spectrometer, Sherlock, for gas leak and aerosol detection and imaging. The system is based on a patent technique that uses diffractive optics and image processing algorithms to detect spectral information about objects in the scene of the camera (IMSS Image Multi-spectral Sensing). This camera has been tested at Dugway Proving Ground and Dstl Porton Down facility looking at Chemical and Biological agent simulants. The camera has been used to investigate surfaces contaminated with chemical agent simulants. In addition to Chemical and Biological detection the camera has been used for environmental monitoring of green house gases and is currently undergoing extensive laboratory and field testing by the Gas Technology Institute, British Petroleum and Shell Oil for applications for gas leak detection and repair. The camera contains an embedded Power PC and a real time image processor for performing image processing algorithms to assist in the detection and identification of gas phase species in real time. In this paper we will present an over view of the technology and show how it has performed for different applications, such as gas leak detection, surface contamination, remote sensing and surveillance applications. In addition a sampling of the results form TRE field testing at Dugway in July of 2002 and Dstl at Porton Down in September of 2002 will be given.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Michele Hinnrichs ; James O. Jensen and Gerard McAnally
"Handheld hyperspectral imager for standoff detection of chemical and biological aerosols", Proc. SPIE 5268, Chemical and Biological Standoff Detection, 67 (February 27, 2004); doi:10.1117/12.519163; http://dx.doi.org/10.1117/12.519163


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