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Conferences > Sensors > 2014 > SeTh1C > SeTh1C.2

Cocaine detection in liquid using a fibered platform and a mid-infrared quantum cascade laser

Grégoire M. Smolik, Lubos Hvozdara, Joab Di Francesco, Pierre Jouy, Yargo C. Bonetti, Kerstin M.-C. Hans, Markus W. Sigrist, Jérôme Faist, and Hans Peter Herzig

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Abstract

A miniaturized, trace level sensor for cocaine is presented. A quantum cascade laser emitting at 1720 cm-1 is coupled to a fibred absorption flow-cell. A detection limit lower than 250 ng/mL (84 ppb) is reported.

© 2014 Optical Society of America

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