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26 June 2024 Trace explosive detection and identification signature characterization studies using deep-UV fluorescence and Raman spectroscopy
Jayne Newton, Elisa Falconer, Ellie Makinson, Bethany Bowden, Sonali Dabba, Natasha Stevens, Chris Howle, Rohit Bhartia, William Hug, Ray Reid
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Proceedings Volume 13056, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXV; 1305604 (2024) https://doi.org/10.1117/12.3015055
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States
Abstract
Explosives detectors are used to screen people, packages, and infrastructure, as well as conduct investigation of unknown substances. Optical detection techniques hold promise to enable stand-off detection of a range of threat materials, precursors and by-products. However, conventional Raman instruments, which rely on visible and near IR excitation sources, often exhibit fluorescence obscuration and poor sensitivity. An area of research interest is deep-UV Raman spectroscopy as a solution to both issues. Photon Systems RPL-200 is a deep-UV Raman and fluorescence microscope. This report presents preliminary experiments using this technology, for studies on the phenomenology of trace explosive detection, to inform future efforts that aspire to realize high sensitivity stand-off detection of explosives.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Jayne Newton, Elisa Falconer, Ellie Makinson, Bethany Bowden, Sonali Dabba, Natasha Stevens, Chris Howle, Rohit Bhartia, William Hug, and Ray Reid "Trace explosive detection and identification signature characterization studies using deep-UV fluorescence and Raman spectroscopy", Proc. SPIE 13056, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXV, 1305604 (26 June 2024); https://doi.org/10.1117/12.3015055
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KEYWORDS
Raman spectroscopy
Explosives
Fluorescence
Deep ultraviolet
Mixtures
Explosives detection
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