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1篇 您的检索式:作者名="Bernd Eppich"
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1High duty cycle,highly efficient fiber coupled 940-nm pump module for high-energy solid-state lasers显示文摘Tailored diode laser single emitters with long(6 mm) resonators and wide(1.2 mm) emission apertures that operate with940 nm emission wavelength were assembled in novel edge-cooled vertically stacked arrays, and used to construct a compact and highly efficient fiber coupled pump source for Yb:YAG pulsed high-energy class solid-state lasers. The novel configuration is shown to allow repetition rates of 200 Hz at 1 ms pulse duration, at an output power of 130 W per single emitter. The emission of two stacked arrays was then optically combined to realize pump modules that deliver6 kW peak power(pulse energy 6 J) from a 1.9 mm core diameter fiber, with wall plug efficiency of 50%. This represents a significant improvement in terms of duty cycle and electro-optical efficiency over conventional sources. The pump module has been successfully tested at the Max Born Institute, Berlin during trials for pumping of disk lasers.Ren Platz Bernd Eppich Juliane Rieprich Wolfgang Pittroff Gtz Erbert Paul Crump 2016High Power Laser Science and Engineering2016,4,1:1
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