Porous Capillary Tubing Waveguide for High-Temperature Carbon Monoxide Detection

This letter reports results of high-temperature gas sensing utilizing the porous capillary tubing waveguide we developed recently. The waveguide is essentially a fiber-optic infrared absorption cell which exhibited excellent performance in terms of high-temperature working capability and fast respon...

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Veröffentlicht in:	IEEE photonics technology letters 2010-03, Vol.22 (5), p.323-325
Hauptverfasser:	Cheng Ma, Scott, B.L., Pickrell, G.R., Anbo Wang
Format:	Artikel
Sprache:	eng
Schlagworte:	Capillarity Carbon monoxide Conferences Delay Fiber optics Gas detectors infrared (IR) spectroscopy Infrared absorption Infrared sensors Infrared spectra Materials science and technology Optical fiber sensors Optical fibers Optical films Optical sensors Optical surface waves Optical waveguides Response time sensors Waveguides
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Beschreibung
Zusammenfassung:	This letter reports results of high-temperature gas sensing utilizing the porous capillary tubing waveguide we developed recently. The waveguide is essentially a fiber-optic infrared absorption cell which exhibited excellent performance in terms of high-temperature working capability and fast response time. Using this sensor, we have demonstrated carbon monoxide detection at 500°C; the sensor's response time was estimated to be within several seconds.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2009.2039346