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Single-shot stand-off detection of explosives precursors using UV coded aperture Raman spectroscopy
Umeå University, Faculty of Science and Technology, Department of Physics.
2015 (English)In: Chemichal, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVI / [ed] Augustus W. Fountain, 2015, 94550QConference paper, Published paper (Refereed)
Abstract [en]

We present preliminary results on the performance of a basic stand-off Raman spectroscopy setup using coded apertures compared to a setup using a round-to-slit fiber for light collection. Measurements were performed using single 5 ns laser shots at 355 nm with a target distance of 5.4 meters on ammonium nitrate powder. The results show an increase in signal-to-noise ratio of 3-8 times when using coded aperture multiplexing compared to the fiber setup.

Place, publisher, year, edition, pages
2015. 94550Q
Series
Proceedings of SPIE, ISSN 0277-786X ; 9455
Keyword [en]
Explosives Sensing, Stand-off detection, Raman Spectroscopy, Coded Apertures
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-129914DOI: 10.1117/12.2176945ISI: 000357744700022ISBN: 978-1-62841-571-1 (print)OAI: oai:DiVA.org:umu-129914DiVA: diva2:1065392
Conference
16th Meeting of the Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing part of the SPIE Defense, Security plus Sensing Symposium, APR 21-23, 2015, Baltimore, MD
Available from: 2017-01-16 Created: 2017-01-10 Last updated: 2017-01-16Bibliographically approved

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CiteExportLink to record
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Citation style
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