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Chemical sensors based on quantum cascade lasers
2002
Diode Lasers and Applications in Atmospheric Sensing
There is an increasing need in many chemical sensing applications ranging from industrial process control to environmental science and medical diagnostics for fast, sensitive, and selective gas detection based on laser spectroscopy. The recent availability of novel pulsed and CW quantum cascade distributed feedback (QC-DFB) lasers as mid-infrared spectroscopic sources address this need. A number of spectroscopic techniques have been demonstrated worldwide by several groups. For example, the
doi:10.1117/12.452087
fatcat:lwyxriqpnzaldfruteh5pgeocu