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4 March 2016 High-power single emitters and low fill factor bars emitting at 808 nm
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Single emitters emitting at a wavelength around 808 nm are highly-desired as pump sources of low power solid state lasers. The latest development of high-power single emitters having emitter apertures of 95 μm, 100 μm and 200 μm based on TM-polarized material are presented. The devices were characterized up to their maximum optical output powers of 15 W from 100 μm wide emitters and 22 W from 200 μm wide emitters. The operation point of these devices is set to 7 W and 10 W, respectively with wall-plug efficiencies of ~55%. Furthermore first results on 5- emitters bars operating at 40 W are presented.
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A. Pietrzak, R. Hülsewede, M. Zorn, J. Meusel, and J. Sebastian "High-power single emitters and low fill factor bars emitting at 808 nm", Proc. SPIE 9733, High-Power Diode Laser Technology and Applications XIV, 97330R (4 March 2016);

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