Issue 19, 2009
From the journal:

Lab on a Chip

A multi-color fast-switching microfluidic droplet dye laser†

Sindy K. Y. Tang,a   Zhenyu Li,b   Adam R. Abate,c   Jeremy J. Agresti,c   David A. Weitz,c   Demetri Psaltisd  and  George M. Whitesides*a  

* Corresponding authors

a Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
E-mail: gwhitesides@gmwgroup.harvard.edu
Fax: +1-617-495-9857
Tel: +1-617-495-9430

b Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA

c School of Engineering and Applied Sciences/Department of Physics, Harvard University, Cambridge, MA, USA

d Optics Laboratory, School of Engineering, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland

Abstract

We describe a multi-color microfluidic dye laser operating in whispering gallery mode based on a train of alternating droplets containing solutions of different dyes; this laser is capable of switching the wavelength of its emission between 580 nm and 680 nm at frequencies up to 3.6 kHz—the fastest among all dye lasers reported; it has potential applications in on-chip spectroscopy and flow cytometry.

Graphical abstract: A multi-color fast-switching microfluidic droplet dye laser

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Article information

DOI
https://doi.org/10.1039/B914066B
Article type
Communication
Submitted
14 Jul 2009
Accepted
10 Aug 2009
First published
14 Aug 2009

Lab Chip, 2009,9, 2767-2771

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A multi-color fast-switching microfluidic droplet dye laser

S. K. Y. Tang, Z. Li, A. R. Abate, J. J. Agresti, D. A. Weitz, D. Psaltis and G. M. Whitesides, Lab Chip, 2009, 9, 2767 DOI: 10.1039/B914066B

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