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Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

Explore research outputs by the European Policies Research Centre...

Flexible blue-emitting encapsulated organic semiconductor DFB laser

Herrnsdorf, Johannes and Guilhabert, Benoit Jack Eloi and Chen, Y. and Kanibolotsky, Alexander and Mackintosh, Allan and Pethrick, Richard and Skabara, Peter and Gu, Erdan and Laurand, Nicolas and Dawson, Martin (2010) Flexible blue-emitting encapsulated organic semiconductor DFB laser. Optics Express, 18 (25). pp. 25535-25545. ISSN 1094-4087

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Abstract

Mechanically flexible distributed feedback (DFB) lasers are fabricated by a low-cost approach using soft-lithography from a holographic master grating. The gain material is a star-shaped oligofluorene providing laser emission from 425 to 442 nm with a soft pump threshold at 14.4 μJ/cm2 (2.7 kW/cm2). Encapsulation of the devices enables stable operation in ambient atmosphere at a 1/e degradation energy dosage of 53 J/cm2.