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Proceedings Paper

Integrated waveguide mixer/splitter for lab-on-a-chip applications
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Paper Abstract

A novel integrated optical component useful for two-species detection, particle velocity measurement and cell-sorting in lab-on-a-chip devices is described. The component consists of dual waveguides that can simultaneously deliver light of two wavelengths to two fixed points in a microchannel. Labeled cells in the channel can be detected by laser-induced fluorescence stimulated by either wavelength or their velocities determined by measuring the time between peaks in the captured signals. The properties of the integrated optical component are determined by simulations and measurements and the measurement of velocities of fluorescent particles in pressure-driven flows is demonstrated.

Paper Details

Date Published: 12 February 2008
PDF: 8 pages
Proc. SPIE 6896, Integrated Optics: Devices, Materials, and Technologies XII, 689618 (12 February 2008); doi: 10.1117/12.782467
Show Author Affiliations
Sanket Goel, Univ. of Alberta (Canada)
J. N. McMullin, Univ. of Alberta (Canada)

Published in SPIE Proceedings Vol. 6896:
Integrated Optics: Devices, Materials, and Technologies XII
Christoph M. Greiner; Christoph A. Waechter, Editor(s)

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