Issue 17, 2012

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

Abstract

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 μm, which is emitted from a quantum cascade laser. This device is ideal for (bio-)chemical sensing applications.

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

Article information

Article type
Communication
Submitted
25 May 2012
Accepted
25 Jun 2012
First published
26 Jun 2012

Lab Chip, 2012,12, 3020-3023

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

Y. Chang, P. Wägli, V. Paeder, A. Homsy, L. Hvozdara, P. van der Wal, J. Di Francesco, N. F. de Rooij and H. Peter Herzig, Lab Chip, 2012, 12, 3020 DOI: 10.1039/C2LC40601B

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