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Accession Number
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ADA562710
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Title
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Selective Real-time Detection of Gaseous Nerve Agent Simulants Using Multiwavelength Photoacoustics.
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Publication Date
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Aug 2012
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Media Count
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4p
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Personal Author
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K. P. Gurton M. Felton R. Tober
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Abstract
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An optical detection method is presented that is designed to detect and identify the presence of macromolecular gas species (e.g., organophosphate- based nerve agent simulants) at trace level concentrations. The technique is based on a modified version of conventional laser photoacoustic (PA) spectroscopy, in which optical absorption is typically measured using a single laser source. We demonstrate the ability to simultaneously measure multiple absorption-related parameters that serve as a concentration-independent identifier.
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Keywords
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Acoustic signals
Chemical agent simulants
Continuous waves
Infrared radiation
Lasers
Nerve agents
Optical detection
Photoacoustics
Radiation absorption
Wavelengths
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Source Agency
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Non Paid ADAS
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NTIS Subject Category
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74D - Chemical, Biological, & Radiological Warfare
46A - Acoustics
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Corporate Author
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Army Research Lab., Adelphi, MD.
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Document Type
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Journal article
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Title Note
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Journal article.
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NTIS Issue Number
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1225
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Contract Number
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N/A
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