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Heat Spreader Boosts Laser Power

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Breck Hitz

Optically pumped vertical-external-cavity surface-emitting lasers are attractive in a number of applications but have suffered from thermal loading because the pump beam is focused to such a small spot -- typically 100 µm -- in the lasers' gain region. Scientists at the University of Strathclyde's Institute of Photonics in Glasgow, UK, have enhanced the performance of one of these GaAs-based lasers by bonding a silicon carbide (SiC) heat spreader to its front surface. Figure 1. The use of a silicon carbide heat spreader with a vertical-external-cavity surface-emitting laser facilitates...Read full article

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    Published: September 2003
    pumped vertical-external-cavity surface-emitting lasersResearch & TechnologyTech PulseLasers

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