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Basic Concept of Tailored Bars: Results, Applications and Potential Power Scaling (Laser Technik Journal)

Direct diode lasers are, in principle, more efficient and smaller than classic solid-state lasers. But the combination of multiple beams from hundreds of individual emitters requires beam shaping and lensing at the expense of efficiency. At the costs for the micro-optical elements and alignment, the efforts for super-imposing of individual emitters with different techniques, assumption of the economic superiority over solid-state laser sources is not so readily apparent — so far.

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