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Toward non-invasive detection of concealed energetic materials in-field under ambient-light conditions

Cletus, Biju, Olds, William J., Izake, Emad L., Fredericks, Peter M., Panayiotou, Helen, & Jaatinen, Esa (2011) Toward non-invasive detection of concealed energetic materials in-field under ambient-light conditions. Next-Generation Spectroscopic Technologies IV, 8032, 80320I-1.

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Abstract

Spatially offset Raman spectroscopy (SORS) is demonstrated for the non-contact detection of energetic materials concealed within non-transparent, diffusely scattering containers. A modified design of an inverse SORS probe has been developed and tested. The SORS probe has been successfully used for the detection of various energetic substances inside different types of plastic containers. The tests have been successfully conducted under incandescent and fluorescent background lights as well as under daylight conditions, using a non-contact working distance of 6 cm. The interrogation times for the detection of the substances were less than 1 minute in each case, highlighting the suitability of the device for near real-time detection of concealed hazards in the field. The device has potential applications in forensic analysis and homeland security investigations.

Impact and interest:

2 citations in Scopus
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1 citations in Web of Science®

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99 since deposited on 30 Apr 2012
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ID Code: 49948
Item Type: Journal Article
Additional Information: Proceedings of SPIE
Keywords: Inverse SORS, Raman spectroscopy, energetic materials, non-contact analysis, in field detection, forensic analysis, homeland security
DOI: 10.1117/12.886662
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OPTICAL PHYSICS (020500)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Society of Photo-optical Instrumentation Engineers
Deposited On: 30 Apr 2012 13:39
Last Modified: 01 May 2012 06:15

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