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Sensitive laser based stand-off system for mid-infrared explosive detection

Kölbl, Christoph and Köhntopp, Anja and Duschek, Frank (2019) Sensitive laser based stand-off system for mid-infrared explosive detection. 3rd International Conference CBRNE - Research & Innovation, 20.-23. Mai 2019, Nantes, Frankreich.

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Abstract

Within the last decades the global architecture of security and the security risks of the society itself have fundamentally changed. In particular terrorist attacks showed that preventive measures are important for protecting critical infrastructures, both public and governmental institutions. The fast and reliable detection of explosive traces and contaminations is a crucial aspect for an improved safety standard. For this reason we developed at the DLR institute of Technical physics a new laser based stand-off system for explosive detection. The portable system is especially tailored for operational use by emergency task forces and can be operated by one touch operation. Based on a high-repetition rate tunable mid-infrared quantum cascade laser and a detection scheme which offers excellent noise performance we can achieve a very high sensitivity and a high signal-to-noise ratio. This makes it possible to detect traces of explosives on different background substrates within seconds and without direct contact of the material. First results of the experiment will be shown in the presentation.

Item URL in elib:https://elib.dlr.de/126965/
Document Type:Conference or Workshop Item (Speech)
Title:Sensitive laser based stand-off system for mid-infrared explosive detection
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kölbl, ChristophChristoph.Koelbl (at) dlr.deUNSPECIFIED
Köhntopp, AnjaAnja.Koehntopp (at) dlr.deUNSPECIFIED
Duschek, FrankFrank.Duschek (at) dlr.deUNSPECIFIED
Date:20 May 2019
Refereed publication:Yes
Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Explosive detection, MIR absorption spectroscopy, stand-off detection
Event Title:3rd International Conference CBRNE - Research & Innovation
Event Location:Nantes, Frankreich
Event Type:international Conference
Event Dates:20.-23. Mai 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Lampoldshausen
Institutes and Institutions:Institute of Technical Physics > Atmospheric Propagation and Effect
Deposited By: Kölbl, Christoph
Deposited On:04 Apr 2019 09:41
Last Modified:24 Jan 2020 11:16

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