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Open Access research that challenges the mind...

The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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High-power vertical external-cavity surface-emitting lasers

Hopkins, J.M. and Calvez, S. and Kemp, A. and Hastie, J.E. and Smith, S.A. and MacLean, A.J. and Burns, D. and Dawson, M.D. (2006) High-power vertical external-cavity surface-emitting lasers. Physica Status Solidi C, 3 (3). pp. 380-385. ISSN 1862-6351

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Abstract

Recently multiwatt power levels have been generated from Vertical External-Cavity Surface-Emitting Lasers in high quality spatially symmetric output beams. While these results are very impressive for a high brightness semiconductor source, they have largely been achieved in a wavelength band already well served by conventional solid-state lasers. To fully realise the potential of this technology, the wavelength versatility offered by the semiconductor materials must be utilized. Significant power scaling at wavelengths away from 1µm is a key technical challenge for the VECSEL developer.