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Proceedings Paper

Hollow fibers for compact infrared gas sensors
Author(s): A. Lambrecht; S. Hartwig; J. Herbst; J. Wöllenstein
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Paper 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.

Paper Details

Date Published: 28 January 2008
PDF: 11 pages
Proc. SPIE 6901, Photonic Crystal Materials and Devices VII, 69010V (28 January 2008); doi: 10.1117/12.761539
Show Author Affiliations
A. Lambrecht, Fraunhofer Institute for Physical Measurement Techniques (Germany)
S. Hartwig, Fraunhofer Institute for Physical Measurement Techniques (Germany)
J. Herbst, Fraunhofer Institute for Physical Measurement Techniques (Germany)
J. Wöllenstein, Fraunhofer Institute for Physical Measurement Techniques (Germany)


Published in SPIE Proceedings Vol. 6901:
Photonic Crystal Materials and Devices VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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