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Hollow fibers for compact infrared gas sensors

 
: Lambrecht, A.; Hartwig, S.; Herbst, J.; Wöllenstein, J.

:
Preprint urn:nbn:de:0011-n-693436 (1005 KByte PDF)
MD5 Fingerprint: 42e1f37589d3f038404760ae4fb0747a
Copyright 2008 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Created on: 8.7.2010


Adibi, A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Photonic Crystal Materials and Devices VII 2008 : 21 - 23 January 2008, San Jose, CA, USA
Bellingham, WA: SPIE, 2008 (SPIE Proceedings Series 6901)
ISBN: 978-0-8194-7076-8
Paper 69010V
Conference "Photonic Crystal Materials and Devices" <7, 2008, San Jose/Calif.>
English
Conference Paper, Electronic Publication
Fraunhofer IPM ()
hollow fiber; photonic bandgap fiber; gas sensor; infrared; explosive detection

Abstract
Hollow fibers can be used for compact infrared gas sensors. The guided light is absorbed by the gas introduced into the hollow core. High sensitivity and a very small sampling volume can be achieved depending on fiber parameters i.e. attenuation, flexibility, and gas exchange rates. Different types of infrared hollow fibers including photonic bandgap fibers were characterized using quantum cascade lasers and thermal radiation sources. Obtained data are compared with available product specifications. Measurements with a compact fiber based ethanol sensor are compared with a system simulation. First results on the detection of trace amounts of the explosive material TATP using hollow fibers and QCL will be shown .

: http://publica.fraunhofer.de/documents/N-69343.html