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Improved laser-induced fluorescence method for bio-attack early warning detection system
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2008 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, 2008Conference paper, Published paper (Refereed)
Abstract [en]

Laser Induced Fluorescence (LIF) could permit fast early warning systems either for point or standoff detection if a reliable classification of warfare biological agents versus biological or non-biological fluorescing background can be achieved. In order to improve LIF discrimination capability, a new system is described in which the fluorescence pattern is enriched by the use of multiple wavelength delayed excitation while usual spectral fluorescence analysis is extended to time domain to use both aspects as criteria for classification. General considerations and guidelines for the system design are given as well as results showing good discrimination between background and simulants.

Place, publisher, year, edition, pages
2008.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 7116
Keyword [en]
Bio-aerosol detection, Biological detection, Biological warfare agent detection, Periodically poled non-linear crystal, UV laser, Agents, Atmospheric aerosols, Chemical warfare, Laser produced plasmas, Lasers, Military applications, Time domain analysis, Fluorescence
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-154178DOI: 10.1117/12.799151Scopus ID: 2-s2.0-62649154641OAI: oai:DiVA.org:kth-154178DiVA: diva2:755893
Conference
Optically Based Biological and Chemical Detection for Defence IV, 16 September 2008 through 17 September 2008, Cardiff, Wales
Note

QC 20141015

Available from: 2014-10-15 Created: 2014-10-14 Last updated: 2014-10-15Bibliographically approved

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