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Novel photoacustic trace gas sensor for security applications

 
: Miklos, A.; Angster, J.

:
Fulltext urn:nbn:de:0011-n-724235 (258 KByte PDF)
MD5 Fingerprint: 2376c02ec942f26a74f2e52073844779
Created on: 1.5.2008


Beyerer, J. ; Fraunhofer Verbund Verteidigungs- und Sicherheitsforschung:
Future security. 2nd Security Research Conference 2007 : 12th-14th September, Karlsruhe, Germany
Karlsruhe: Universitätsverlag Karlsruhe, 2007
ISBN: 3-86644-147-9
ISBN: 978-3-86644-147-7
pp.83-86
Security Research Conference "Future Security" <2, 2007, Karlsruhe>
English
Conference Paper, Electronic Publication
Fraunhofer IBP ()

Abstract
The danger of terrorist attacks using toxic industrial chemicals (TICs) or chemical warfare agents (CWAs) has exposed the need for reliable and early detection of trace amounts of such compounds in the air. Sensors for airports, railroad stations, large public and private office buildings, etc. would be required for the early detection of CWAs and TICs so that parts of buildings can be rapidly evacuated.
Photoacoustic (PA) spectroscopy is a powerful tool for trace gas detection. This paper presents a PA sensor based on a novel measurement method with excellent interference rejection properties for the selective and sensitive detection of trace amounts of CWAs and TICs in the air.

: http://publica.fraunhofer.de/documents/N-72423.html