Cocaine detection by a mid-infrared waveguide integrated with a microfluidic chip

A germanium (Ge) strip waveguide on a silicon (Si) substrate is integrated with a microfluidic chip to detect cocaine in tetrachloroethylene (PCE) solutions. In the evanescent field of the waveguide, cocaine absorbs the light near 5.8 m, which is emitted from a quantum cascade laser. This device is...

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Veröffentlicht in:	Lab on a chip 2012-09, Vol.12 (17), p.32-323
Hauptverfasser:	Chang, Yu-Chi, Wägli, Philip, Paeder, Vincent, Homsy, Alexandra, Hvozdara, Lubos, van der Wal, Peter, Di Francesco, Joab, de Rooij, Nico F, Peter Herzig, Hans
Format:	Artikel
Sprache:	eng
Schlagworte:	Cocaine - analysis Germanium - chemistry Lasers, Semiconductor Microfluidic Analytical Techniques - instrumentation Microfluidic Analytical Techniques - methods Silicon - chemistry Spectrophotometry, Infrared Tetrachloroethylene - chemistry
Online-Zugang:	Volltext
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