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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 2 — Jan. 23, 2006
  • pp: 696–701

Single mode optofluidic distributed feedback dye laser

Zhenyu Li, Zhaoyu Zhang, Teresa Emery, Axel Scherer, and Demetri Psaltis  »View Author Affiliations

Optics Express, Vol. 14, Issue 2, pp. 696-701 (2006)

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Single frequency lasing from organic dye solutions on a monolithic poly(dimethylsiloxane) (PDMS) elastomer chip is demonstrated. The laser cavity consists of a single mode liquid core/PDMS cladding channel waveguide and a phase shifted 15th order distributed feedback (DFB) structure. A 1mM solution of Rhodamine 6G in a methanol and ethylene glycol mixture was used as the gain medium. Using 6 nanosecond 532nm Nd:YAG laser pulses as the pump light, we achieved threshold pump fluence of ~0.8mJ/cm2 and single-mode operation at pump levels up to ten times the threshold. This microfabricated dye laser provides a compact and inexpensive coherent light source for microfluidics and integrated optics covering from near UV to near IR spectral region.

© 2006 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(140.2050) Lasers and laser optics : Dye lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3570) Lasers and laser optics : Lasers, single-mode
(230.4000) Optical devices : Microstructure fabrication
(230.7380) Optical devices : Waveguides, channeled

Virtual Issues
Vol. 1, Iss. 2 Virtual Journal for Biomedical Optics

Zhenyu Li, Zhaoyu Zhang, Teresa Emery, Axel Scherer, and Demetri Psaltis, "Single mode optofluidic distributed feedback dye laser," Opt. Express 14, 696-701 (2006)

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