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Standoff Detection of Chemical and Biological Substances using Laser Induced Fluorescence Technique

Fischbach, Thomas and Aleksejev, Valeri and Duschek, Frank and Hausmann, Anita and Pargmann, Carsten and Poryvkina, Larisa and Sobolev, Innokenti and Babichenko, Sergey and Handke, Jürgen (2014) Standoff Detection of Chemical and Biological Substances using Laser Induced Fluorescence Technique. In: 9th Future Security, Security Research Conference, Proceedings, pp. 327-334. Fraunhofer Verlag. 9th Future Security, Security Research Conference, 16.-18. Sep. 2014, Berlin, Deutschland. ISBN 978-3-8396-0778-7.

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Laser based standoff detection methods are convenient to investigate unknown/hazardous chemical or biological aerosol clouds at a safe distance in order to trigger further counteractions if necessary. Classification and localization of such clouds can be provided by laser induced fluorescence (LIF). At Lampoldshausen the German Aerospace Center (DLR) operates a 135 m long laser test range, where LIF measurements on aerosols, liquids, and solids can be performed. Fluorescence light of test material, which is illuminated by a laser source with UV wavelengths, is collected by a telescope and analyzed spectrally as well as time resolved by means of a gated spectrograph. LIF measurements on liquids and aerosols at a distance of 22 m show adequate fluorescence signal strength with a good signal to noise ratio. The data analysis has the ability to distinguish between biological and chemical material with a good prediction confidence level.

Item URL in elib:https://elib.dlr.de/90709/
Document Type:Conference or Workshop Item (Speech)
Title:Standoff Detection of Chemical and Biological Substances using Laser Induced Fluorescence Technique
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Fischbach, Thomasthomas.fischbach (at) dlr.deUNSPECIFIED
Aleksejev, ValeriLDI InnovationUNSPECIFIED
Duschek, FrankFrank.Duschek (at) dlr.deUNSPECIFIED
Hausmann, Anitaanita.hausmann (at) dlr.deUNSPECIFIED
Pargmann, Carstencarsten.pargmann (at) dlr.deUNSPECIFIED
Poryvkina, LarisaLDI InnovationUNSPECIFIED
Sobolev, InnokentiLDI InnovationUNSPECIFIED
Babichenko, SergeyLDI InnovationUNSPECIFIED
Handke, Jürgenjuergen.handke (at) dlr.deUNSPECIFIED
Date:September 2014
Journal or Publication Title:9th Future Security, Security Research Conference, Proceedings
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 327-334
EditorsEmailEditor's ORCID iD
Thoma, KlausFraunhofer EMIUNSPECIFIED
Häring, IvoFraunhofer EMIUNSPECIFIED
Leismann, TobiasFraunhofer EMIUNSPECIFIED
Publisher:Fraunhofer Verlag
Series Name:Future Security
Keywords:Aerosol detection; Biological sensing and sensors; Fluorescence, laser-induced; Spectroscopy, ultraviolet; Standoff detection; Hazardous material detection
Event Title:9th Future Security, Security Research Conference
Event Location:Berlin, Deutschland
Event Type:international Conference
Event Dates:16.-18. Sep. 2014
Organizer:Fraunhofer Group for Defense and Security VVS
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 (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Technical Physics > Atmospheric Propagation and Effect
Deposited By: Fischbach, Thomas
Deposited On:22 Oct 2014 14:18
Last Modified:31 Jul 2019 19:48

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