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Setup and Analysis of a Mid-Infrared Stand-Off System to Detect Traces of Explosives on Fabrics

Dreier, Lisa and Kölbl, Christoph and Jeuk, Vincent and Beleites, Claudia and Köhntopp, Anja and Duschek, Frank (2022) Setup and Analysis of a Mid-Infrared Stand-Off System to Detect Traces of Explosives on Fabrics. Sensors, 22 (20). Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/s22207839. ISSN 1424-8220.

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Official URL: https://www.mdpi.com/1424-8220/22/20/7839

Abstract

The increasing number of terrorist attacks within the last decade has demonstrated that taking preventive protective measures is highly important. In addition to existing measures, automated detection systems for fast and reliable explosive detection are required. A sensitive spectroscopic system based on mid-infrared spectroscopy has been developed and applied to explosive samples on different types of fabric under various geometric conditions. Using this system, traces of TNT, RDX, PETN and ammonium nitrate can be detected in less than a second. Various approaches for data pretreatment (wavelength calibration) and subsequent analysis (normalization, removal of atmospheric water absorption lines) are presented and the remaining challenges on the road to a fully automated system, including a robust classification algorithm, are discussed.

Item URL in elib:https://elib.dlr.de/189061/
Document Type:Article
Title:Setup and Analysis of a Mid-Infrared Stand-Off System to Detect Traces of Explosives on Fabrics
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Dreier, LisaUNSPECIFIEDhttps://orcid.org/0000-0002-2791-713XUNSPECIFIED
Kölbl, ChristophUNSPECIFIEDhttps://orcid.org/0000-0001-6518-0012UNSPECIFIED
Jeuk, VincentUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beleites, ClaudiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Köhntopp, AnjaUNSPECIFIEDhttps://orcid.org/0000-0003-2761-0821UNSPECIFIED
Duschek, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:15 October 2022
Journal or Publication Title:Sensors
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:22
DOI:10.3390/s22207839
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Series Name:Remote Sensors
ISSN:1424-8220
Status:Published
Keywords:phylax ; laser based explosives detection; remote sensing; EC-QCL; selective screening; security checkpoints; automation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment
Location: Lampoldshausen
Institutes and Institutions:Institute of Technical Physics > Atmospheric Propagation and Effect
Deposited By: Dreier, Lisa
Deposited On:10 Nov 2022 14:59
Last Modified:10 Nov 2022 14:59

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