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

Tang, Sindy K Y; Li, Zhenyu; Abate, Adam R; Agresti, Jeremy J; Weitz, David A; Psaltis, Demetri; Whitesides, George M · Lab Chip · 2009

basic_science · Level V

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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.

Medical subject headings