Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 15, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4757872
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Funding
- ANR [ANR-08-BLAN-0302-01]
- Groupement de Recherche 3219 MesoImage
- Agence Nationale de la Recherche (ANR) [ANR-08-BLAN-0302] Funding Source: Agence Nationale de la Recherche (ANR)
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Random lasing is reported in a dye-circulated structured polymeric microfluidic channel. The role of disorder, which results from limited accuracy of photolithographic process, is demonstrated by the variation of the emission spectrum with local-pump position and by the extreme sensitivity to a local perturbation of the structure. Thresholds comparable to those of conventional microfluidic lasers are achieved, without the hurdle of state-of-the-art cavity fabrication. Potential applications of optofluidic random lasers for on-chip sensors are discussed. Introduction of random lasers in the field of optofluidics is a promising alternative to on-chip laser integration with light and fluidic functionalities. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4757872]
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