10 March 2016 Efficiency and power scaling of in-well and multi-pass pumped AlGaInP VECSELs
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We report a continuous wave operation of a quantum-well and multi-pass-pumped AlGaInP based red vertical-external cavity surface-emitting laser emitting at 660 nm. The laser output power was 1.5 W with a slope efficiency of 35 %. The critical role of optimizing the sample design both for the pump and laser wavelengths, pump spot size, and the number of pump light passes were experimentally investigated.
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Cherry M. N. Mateo, Uwe Brauch, Hermann Kahle, Roman Bek, Thomas Schwarzbäck, Michael Jetter, Marwan Abdou Ahmed, Peter Michler, Thomas Graf, "Efficiency and power scaling of in-well and multi-pass pumped AlGaInP VECSELs", Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 973410 (10 March 2016); doi: 10.1117/12.2212162; https://doi.org/10.1117/12.2212162


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