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Proceedings Paper

Gas sensing using IR laser diode sources
Author(s): James O'Gorman; Vincent Weldon; David McDonald; Juan J. Perez-Camacho; Brian Corbett; John Hegarty
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Paper Abstract

We give an overview of near IR laser diode based methods for gas sensing discussing both the devices enabling this technology and the techniques utilized. Of particular importance for this technology is development of single frequency laser diodes for laser based gas sensing. We discuss and present results on laser diode based gas sensing using sources such as distributed feedback laser diodes, vertical cavity laser diodes and other novel single frequency devices. Detection limits for particular gases of interest, e.g. methane, oxygen and hydrogen sulphide are discussed.

Paper Details

Date Published: 30 May 1997
PDF: 15 pages
Proc. SPIE 3105, Chemical, Biochemical and Environmental Fiber Sensors IX, (30 May 1997); doi: 10.1117/12.276166
Show Author Affiliations
James O'Gorman, Trinity College (Ireland)
Vincent Weldon, Trinity College (Ireland)
David McDonald, Trinity College (Ireland)
Juan J. Perez-Camacho, Trinity College (Ireland)
Brian Corbett, Univ. College Cork (Ireland)
John Hegarty, Trinity College (Ireland)


Published in SPIE Proceedings Vol. 3105:
Chemical, Biochemical and Environmental Fiber Sensors IX
Robert A. Lieberman, Editor(s)

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