A spectroscopic tool for identifying sources of origin for materials of military interest

Andrzej W. Miziolek; Frank C. De Lucia Jr.

doi:10.1117/12.2050603

21 May 2014 A spectroscopic tool for identifying sources of origin for materials of military interest

Andrzej W. Miziolek, Frank C. De Lucia Jr.

Proceedings Volume 9101, Next-Generation Spectroscopic Technologies VII; 91010J (2014) https://doi.org/10.1117/12.2050603
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

There is a need to identify the source of origin for many items of military interest, including ammunition and weapons that may be circulated and traded in illicit markets. Both fieldable systems (man-portable or handheld) as well as benchtop systems in field and home base laboratories are desired for screening and attribution purposes. Laser Induced Breakdown Spectroscopy (LIBS) continues to show significant capability as a promising new tool for materials identification, matching, and provenance. With the use of the broadband, high resolution spectrometer systems, the LIBS devices can not only determine the elemental inventory of the sample, but they are also capable of elemental fingerprinting to signify sources of origin of various materials. We present the results of an initial study to differentiate and match spent cartridges from different manufacturers and countries. We have found that using Partial Least Squares Discriminant Analysis (PLS-DA) we are able to achieve on average 93.3% True Positives and 5.3% False Positives. These results add to the large body of publications that have demonstrated that LIBS is a particularly suitable tool for source of origin determinations.

Citation Download Citation

Andrzej W. Miziolek and Frank C. De Lucia Jr. "A spectroscopic tool for identifying sources of origin for materials of military interest", Proc. SPIE 9101, Next-Generation Spectroscopic Technologies VII, 91010J (21 May 2014); https://doi.org/10.1117/12.2050603

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