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Proceedings Paper

Quantum cascade laser FM spectroscopy of explosives
Author(s): Zach Gutmann; Trocia Clasp; Chris Lue; Tiffani Johnson; Taylor Ingle; Janet Jamison; Roger Buchanan; Scott Reeve
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Paper Abstract

Polyisobutylene is an industrial polymer that is widely used in a number of applications including the manufacture of military grade explosives. We have examined the vapor emanating from a series of different molecular weight samples of polyisobutylene using high resolution Quantum Cascade Laser FM spectroscopy. The vapor phase spectra all exhibit a rovibrational structure similar to that for the gas phase isobutylene molecule. We have assigned the structure in the 890 cm-1 and 1380 cm-1 regions to the isobutylene ν28 and ν7 fundamental bands respectively. These spectroscopic signatures may prove useful for infrared sensing applications. Here we will present the infrared signatures along with recent GCMS data from a sample of C4, utilizing solid-phase microextraction vapor collection fibers, which confirm the presence of isobutylene as one of the volatile bouquet species in RDX-based explosives.

Paper Details

Date Published: 29 May 2013
PDF: 8 pages
Proc. SPIE 8710, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, 87100J (29 May 2013); doi: 10.1117/12.2015483
Show Author Affiliations
Zach Gutmann, Arkansas State Univ. (United States)
Trocia Clasp, Arkansas State Univ. (United States)
Chris Lue, Arkansas State Univ. (United States)
Tiffani Johnson, Arkansas State Univ. (United States)
Taylor Ingle, Arkansas State Univ. (United States)
Janet Jamison, Arkansas State Univ. (United States)
Roger Buchanan, Arkansas State Univ. (United States)
Scott Reeve, Arkansas State Univ. (United States)


Published in SPIE Proceedings Vol. 8710:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV
Augustus Way Fountain, Editor(s)

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