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Conferences > CLEO > 2002 > CFA > CFA5
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2002),
  • paper CFA5

A Quantum Cascade Laser Based Spectrometer for Molecular Fingerprinting and Trace Level Detection

E. Normand, M. McCulloch, G. Duxbury, and N. Langford

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Abstract

Quantum cascade lasers have been developed to a level whereby they are now suitable light sources for use in mid infrared spectrometers. 1These spectrometers have many potential applications one of which is for the trace level detection of molecular gases that play key roles in global warming and the depletion of the ozone layer. To determine the species of gas present in the environment it is necessary to detect the absorption profile or chemical fingerprint of the gas under investigation.

© 2002 Optical Society of America

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