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dc.contributor.authorCastro-Suarez, John R.
dc.contributor.authorPacheco-Londoño, Leonardo C.
dc.contributor.authorAparicio-Bolaños, Joaquín A.
dc.contributor.authorHernández-Rivera, Samuel P.
dc.identifier.citationJohn R. Castro-Suarez, Leonardo C. Pacheco-Londoño, Joaquín Aparicio-Bolaño, and Samuel P. Hernández-Rivera, “Active Mode Remote Infrared Spectroscopy Detection of TNT and PETN on Aluminum Substrates,” Journal of Spectroscopy, vol. 2017, Article ID 2730371, 11 pages, 2017. doi:10.1155/2017/2730371en_US
dc.description.abstractTwo standoff detection systems were assembled using an infrared telescope coupled to a Fourier transform infrared spectrometer, a cryocooled mercury-cadmium telluride detector, and a telescope-coupled midinfrared excitation source. Samples of the highly energetic materials (HEMs) 2,4,6-trinitrotoluene (TNT) and pentaerythritol tetranitrate (PETN) were deposited on aluminum plates and detected at several source-target distances by carrying out remote infrared spectroscopy (RIRS) measurements on the aluminum substrates in active mode. The samples tested were placed at 1–30 m for the RIRS detection experiments. The effect of the angle of incidence/collection of the IR beams on the vibrational band intensities and the signal-to-noise ratios (S/N) were investigated. Experiments were performed at ambient temperature. Surface concentrations from 50 to 400 μg/cm2 were studied. Partial least squares regression analysis was applied to the spectra obtained. Overall, RIRS detection in active mode was useful for quantifying the HEMs deposited on the aluminum plates with a high confidence level up to the target-collector distances of 1–25 m.en_US
dc.publisherHindawi Publishing Corporationen_US
dc.subjectActive Mode Remote Infrared Spectroscopyen_US
dc.subjectAluminum Substratesen_US
dc.titleActive mode remote infrared spectroscopy detection of TNT and PETN on aluminum substratesen_US
dc.local.FacultySelect from the list belowen_US
dc.contributor.campusUniversity of Puerto Rico at Ponce

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