Apparatus configured for identification of a material and method of identifying a material

Slater, John M; Crawford, Thomas M; Frickey, Dean A

Apparatus configured for identification of a material and method of identifying a material

Patent · Mon Jan 01 04:00:00 EST 2001

OSTI ID:873703

Slater, John M ^[1]; Crawford, Thomas M ^[1]; Frickey, Dean A ^[1]

Idaho Falls, ID

The present invention relates to an apparatus configured for identification of a material and method of identifying a material. One embodiment of the present invention provides an apparatus configured for identification of a material including a first region configured to receive a first sample and output a first spectrum responsive to exposure of the first sample to radiation; a signal generator configured to provide a reference signal having a reference frequency and a modulation signal having a modulation frequency; a modulator configured to selectively modulate the first spectrum using the modulation signal according to the reference frequency; a second region configured to receive a second sample and output a second spectrum responsive to exposure of the second sample to the first spectrum; and a detector configured to detect the second spectrum.

Research Organization:: Idaho National Engineering and Environmental Laboratory, Idaho Falls, ID

DOE Contract Number:: AC07-94ID13223

Assignee:: Bechtel BWXT Idaho, LLC (Idaho Falls, ID)

Patent Number(s):: US 6225630

OSTI ID:: 873703

Country of Publication:: United States

Language:: English

References (12)

Gas concentration measurement by spectral correlation: rejection of interferent species Galais, André; Fortunato, Gérard; Chavel, Pierre Applied Optics, Vol. 24, Issue 14 https://doi.org/10.1364/AO.24.002127	journal	January 1985
Detection of organic vapors with active and passive sensors: a comparison Flanigan, Dennis F. Applied Optics, Vol. 25, Issue 23 https://doi.org/10.1364/AO.25.004253	journal	January 1986
Remote Detection of Gases by Gas Correlation Spectroradiometry Margolis, J. S.; McCleese, D. J.; Martonchik, J. V. Optical and Laser Remote Sensing https://doi.org/10.1007/978-3-540-39552-2_15	book	January 1983
Gas sensors using correlation spectroscopy compatible with fibre-optic operation Edwards, H. O.; Dakin, J. P. Sensors and Actuators B: Chemical, Vol. 11, Issue 1-3 https://doi.org/10.1016/0925-4005(93)85233-Z	journal	March 1993
Remote sensing of stratospheric and mesospheric winds by gas correlation electrooptic phase-modulation spectroscopy McCleese, Daniel J.; Margolis, Jack S. Applied Optics, Vol. 22, Issue 17 https://doi.org/10.1364/AO.22.002528	journal	January 1983
Progress with optical gas sensors using correlation spectroscopy Dakin, J. P.; Edwards, H. O.; Weigl, B. H. Sensors and Actuators B: Chemical, Vol. 29, Issue 1-3 https://doi.org/10.1016/0925-4005(95)01667-8	journal	October 1995
Carbon monoxide mixing ratio inference from gas filter radiometer data Wallio, H. Andrew; Casas, Joseph C.; Gormsen, Barbara B. Applied Optics, Vol. 22, Issue 5 https://doi.org/10.1364/AO.22.000749	journal	January 1983
Gas cell correlation spectrometer: GASPEC Ward, T. V.; Zwick, H. H. Applied Optics, Vol. 14, Issue 12 https://doi.org/10.1364/AO.14.002896	journal	January 1975
Optical Remote Measurement of Toxic Gases Grant, William B.; Kagann, Robert H.; McClenny, William A. Journal of the Air & Waste Management Association, Vol. 42, Issue 1 https://doi.org/10.1080/10473289.1992.10466965	journal	January 1992
Electrooptic phase modulation gas correlation spectroscopy: a laboratory demonstration Rider, David M.; Schofield, J. T.; Margolis, J. S. Applied Optics, Vol. 25, Issue 17 https://doi.org/10.1364/AO.25.002860	journal	January 1986
IR Long-Path Photometry: A Remote Sensing Tool for Automobile Emissions Bishop, Gary A.; Starkey, John R.; Ihlenfeldt, Anne Analytical Chemistry, Vol. 61, Issue 10 https://doi.org/10.1021/ac00185a746	journal	May 1989
Spectral Signatures Of Chemical Agents And Simulants Hoffland, Lynn D.; Piffath, Ronald J.; Bouck, James B. Optical Engineering, Vol. 24, Issue 6 https://doi.org/10.1117/12.7973613	journal	December 1985

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Apparatus configured for identification of a material and method of identifying a material

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References (12)

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