Li, Zhenyu and Zhang, Zhaoyu and Emery, Teresa and Scherer, Axel and Psaltis, Demetri (2006) Single mode optofluidic distributed feedback dye laser. Optics Express, 14 (2). pp. 696-701. ISSN 1094-4087 http://resolver.caltech.edu/CaltechAUTHORS:LIZoe06
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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.
|Additional Information:||©2006 Optical Society of America Received 13 October 2005; revised 15 December 2005; accepted 5 January 2006 Z. Li thanks Ye Pu for his help on the experimental setup and David Erickson for fruitful discussions. This research was supported by the DARPA center for optofluidic integration.|
|Subject Keywords:||(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|
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|Deposited By:||Archive Administrator|
|Deposited On:||26 Jan 2006|
|Last Modified:||26 Dec 2012 08:44|
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