22 February 2017 Characterization of optically pumped semiconductor lasers in pulsed mode as a function of temperature
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Abstract
Self-heating of Optically Pumped Semiconductor (OPS) chip has been identified as the major limiting factor of power scaling in OPS-based lasers in continuous wave (cw) mode. In this work, characterization of OPS lasers in short pulse (100 ns) and low duty cycle (1%) regime, where self-heating is negligible, as a function of the heat sink temperature is presented. This data, combined with a rigorous thermal model, allows us to predict OPS chip performance in new cooling configurations for power scaling.
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Yanbo Bai, Jeffrey Wisdom, Patrick Hyland, Christian Scholz, Juan Chilla, "Characterization of optically pumped semiconductor lasers in pulsed mode as a function of temperature", Proc. SPIE 10087, Vertical External Cavity Surface Emitting Lasers (VECSELs) VII, 1008709 (22 February 2017); doi: 10.1117/12.2253751; https://doi.org/10.1117/12.2253751
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