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, Cherry M. N. Mateo, Uwe Brauch, Uwe Brauch, Hermann Kahle, Hermann Kahle, Roman Bek, Roman Bek, Thomas Schwarzbäck, Thomas Schwarzbäck, Michael Jetter, Michael Jetter, Marwan Abdou Ahmed, Marwan Abdou Ahmed, Peter Michler, Peter Michler, Thomas Graf, 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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