Hollow fibers for compact infrared gas sensors

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

doi:10.1117/12.761539

28 January 2008 Hollow fibers for compact infrared gas sensors

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

Proceedings Volume 6901, Photonic Crystal Materials and Devices VII; 69010V (2008) https://doi.org/10.1117/12.761539
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

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.

Citation Download Citation

A. Lambrecht, S. Hartwig, J. Herbst, and J. Wöllenstein "Hollow fibers for compact infrared gas sensors", Proc. SPIE 6901, Photonic Crystal Materials and Devices VII, 69010V (28 January 2008); https://doi.org/10.1117/12.761539

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