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Mid-infrared AlxIn1-xSb light-emitting diodes and photodiodes for hydrocarbon sensing
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Nash, Geoffrey R., Forman, Hannah L., Smith, Stuart J., Robinson, Peter B., Buckle, Louise, Coomber, Stuart D., Emeny, Martin T., Gordon, Neil T. and Ashley, Tim (2009) Mid-infrared AlxIn1-xSb light-emitting diodes and photodiodes for hydrocarbon sensing. IEEE Sensors Journal, Volume 9 (Number 10). pp. 1240-1243. doi:10.1109/JSEN.2009.2029815 ISSN 1530-437X.
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Official URL: http://dx.doi.org/10.1109/JSEN.2009.2029815
Abstract
The properties of AlxIn1-xSb light-emitting diodes (LEDs) and photodetectors have been investigated to establish their suitability for methane sensing. Using these components it is possible to achieve good signal-to-noise values at both the characteristic absorption wavelength and also at 4 ¿m, an attractive wavelength for use as a reference channel. A limit of sensitivity of approximately 400 ppm, with an integration time of 10 s and a path length of 5 cm, was estimated for methane detection.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | IEEE Sensors Journal | ||||
| Publisher: | Institute of Electrical and Electronic Engineers | ||||
| ISSN: | 1530-437X | ||||
| Official Date: | October 2009 | ||||
| Dates: |
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| Volume: | Volume 9 | ||||
| Number: | Number 10 | ||||
| Page Range: | pp. 1240-1243 | ||||
| DOI: | 10.1109/JSEN.2009.2029815 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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