We introduce a new approach for the generation of high-power multi-spot fiber lasers, employing square core fiber segments to enhance the efficiency of material processing. Utilizing an all-fiber strategy with Single Mode Fiber– Square Core Fiber (SMF-SCF) structures, our approach exemplifies notable progress in beam shaping technologies. Through laser drilling experiments on metals, the effectiveness of this technique is demonstrated, promising diverse applications in advanced manufacturing and industrial processes.
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Jung et al. (2024) studied this question.
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