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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Bibliographic Details
Published in:IEEE photonics technology letters 2010-03, Vol.22 (5), p.323-325
Main Authors: Cheng Ma, Scott, B.L., Pickrell, G.R., Anbo Wang
Format: Article
Language:English
Subjects:
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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Summary: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