Mid-infrared optical fibre sensor based detection of exhaust gas emissions

Jim Mulrooney, John Clifford, Colin Fitzpatrick, Elfed Lewis

Research output: Contribution to journalConference articlepeer-review

Abstract

In order to satisfy increasingly stringent automotive emission control laws, it is necessary to develop sensors that are capable of quantifying exactly the pollutants entering the atmosphere. The development of a mid-infrared optical fibre based sensor suitable for the detection of automotive emissions is discussed in this paper. Mid-infrared spectroscopy is deemed suitable for the task as the fundamental absorption lines of the majority of the pollutant exhaust gases are in the mid-infrared region of the spectrum. This paper focuses on the monitoring of carbon dioxide gas as it has significant absorption in the mid-infrared.

Original languageEnglish
Article number110
Pages (from-to)455-458
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5855 PART I
DOIs
Publication statusPublished - 2005
Event17th International Conference on Optical Fibre Sensors, OFS-17 - Bruges, Belgium
Duration: 23 May 200527 May 2005

Keywords

  • Automotive emissions
  • Carbon dioxide
  • Mid-infrared
  • Pollutants

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