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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A 0.5w, 850nm alxga1-xasvecsel with intra-cavity silicon carbide heatspreader

Hastie, J.E. and Jeon, C.W. and Burns, D. and Hopkins, J.M. and Calvez, S. and Abram, R.H. and Dawson, M.D. (2002) A 0.5w, 850nm alxga1-xasvecsel with intra-cavity silicon carbide heatspreader. In: Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE. IEEE, pp. 329-330. ISBN 0-7803-7500-9

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Abstract

A comparison of the wavelength shift of the vertical external-cavity surface-emitting laser (VECSEL) spectrum with increasing pump power reveals silicon carbide to be a far superior heat spreader material to previously used sapphire. We have demonstrated 0.5W with no rollover from a GaAs VECSEL by utilising an intra-cavity silicon carbide heat spreader. We believe that with increased pump power, the use of silicon carbide heat spreaders will provide a useful expedient to extend the available output power of VECSEL systems.