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19 June 2003 High-efficiency high-power semiconductor disc laser
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Proceedings Volume 4993, High-Power Fiber and Semiconductor Lasers; (2003)
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
High efficiency, high power and excellent beam quality has been achieved in optically-pumped semiconductor disc lasers (OPS-disc laser) emitting at 1000nm. Minimizing the thermal resistance between active region and heat-sink, more than 5.5W of continuous wave (cw) output has been obtained at room-temperature. Even more remarkable, the laser characteristics corresponding to this power display differential efficiencies of better than 50% and optical conversion efficiencies of better than 40%. This combination of high power and high efficiency represents the best reported values so far. As such, a highly efficient beam converter has been realized, transforming low-brightness optical pump power into high-brightness laser emission.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter Brick, Stephan Lutgen, Tony Albrecht, Johann Luft, and Werner Spath "High-efficiency high-power semiconductor disc laser", Proc. SPIE 4993, High-Power Fiber and Semiconductor Lasers, (19 June 2003);

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