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Multipass optical device and process for gas and analyte determination

United States Patent

January 25, 2011
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A torus multipass optical device and method are described that provide for trace level determination of gases and gas-phase analytes. The torus device includes an optical cavity defined by at least one ring mirror. The mirror delivers optical power in at least a radial and axial direction and propagates light in a multipass optical path of a predefined path length.
Bernacki; Bruce E. (Kennewick, WA)
Battelle Memorial Institute (Richland, WA)
12/ 239,978
September 29, 2008
This invention was made with Government support under Contract DE-AC05-76RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.