APPLIED PHYSICS: Stamping Out Polymer Lasers

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Science  20 Jun 2003:
Vol. 300, Issue 5627, pp. 1851b
DOI: 10.1126/science.300.5627.1851b

Simplified fabrication and processing techniques for organic semiconducting polymers mean that realizing cheap integrated optoelectronic devices is feasible. However, most of the processes incorporate a high-temperature step, which usually leads to a deterioration of the optoelectronic properties of the polymer, limiting its performance. Lawrence et al. circumvent this heating problem by using a solvent-assisted molding technique to pattern the device structure directly. Fabricating a distributed feedback structure with micrometer-sized features in less than 2 min, they confirm the quality of the material by demonstrating lasing by optical pumping. The flexibility of the micromolding technique offers the ability to mass-fabricate a wide range of other photonic and optoelectronic devices.—ISO

Appl. Phys. Lett. 82, 4023 (2003).

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