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Design of Highly Efficient High-Power Optically Pumped Semiconductor Disk Lasers

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7 Author(s)
Demaria, F. ; Inst. of Optoelectron., Ulm Univ., Ulm ; Lorch, S. ; Menzel, S. ; Riedl, M.C.
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In this paper, we present a carefully elaborated layer design for semiconductor disk lasers. Experimental results of devices mounted on simple copper heat spreaders reveal a conversion efficiency of 54% at 13.2 W for 970-nm wavelength laser emission and a differential quantum efficiency of 73%.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:15 ,  Issue: 3 )