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Proceedings Paper

Single-mode and tunable microfluidic dye lasers
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Paper Abstract

We present a technology for miniaturized, chip-based liquid dye lasers, which may be integrated with microfluidic networks and planar waveguides without addition of further process steps. The microfluidic dye lasers consist of a microfluidic channel with an embedded optical resonator. The lasers are operated with Rhodamine 6G laser dye dissolved in a suitable solvent, such as ethanol or ethylene glycol, and optically pumped at 532 nm with a pulsed, frequency doubled Nd:YAG laser. Both vertically and laterally emitting devices are realized. A vertically emitting Fabry-Perot microcavity laser is integrated with a microfluidic mixer, to demonstrate realtime wavelength tunability. Two major challenges of this technology are addressed: lasing threshold and fluidic handling. Low threshold, in-plane emission and integration with polymer waveguides and microfluidic networks is demonstrated with distributed feed-back lasers. The challenge of fluidic handling is addressed by hybridization with mini-dispensers, and by applying capillary filling of the laser devices.

Paper Details

Date Published: 7 September 2006
PDF: 15 pages
Proc. SPIE 6329, Optofluidics, 632901 (7 September 2006); doi: 10.1117/12.680646
Show Author Affiliations
A. Kristensen, Technical Univ. of Denmark (Denmark)
S. Balslev, Technical Univ. of Denmark (Denmark)
M. Gersborg-Hansen, Technical Univ. of Denmark (Denmark)
B. Bilenberg, Technical Univ. of Denmark (Denmark)
T. Rasmussen, Technical Univ. of Denmark (Denmark)
D. Nilsson, Technical Univ. of Denmark (Denmark)


Published in SPIE Proceedings Vol. 6329:
Optofluidics
Demetri Psaltis; Yeshaiahu Fainman, Editor(s)

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