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Methods and systems for remote detection of gases

United States Patent

November 27, 2007
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Novel systems and methods for remotely detecting at least one constituent of a gas via infrared detection are provided. A system includes at least one extended source of broadband infrared radiation and a spectrally sensitive receiver positioned remotely from the source. The source and the receiver are oriented such that a surface of the source is in the field of view of the receiver. The source includes a heating component thermally coupled to the surface, and the heating component is configured to heat the surface to a temperature above ambient temperature. The receiver is operable to collect spectral infrared absorption data representative of a gas present between the source and the receiver. The invention advantageously overcomes significant difficulties associated with active infrared detection techniques known in the art, and provides an infrared detection technique with a much greater sensitivity than passive infrared detection techniques known in the art.
Johnson; Timothy J. (Pasco, WA)
Battelle Memorial Institute (Richland, WA)
10/ 422,027
April 23, 2003
GOVERNMENT RIGHTS This invention was made with Government support under Contract Number DE-AC06-76RL01830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.