Abstract

A novel, to the best of our knowledge, concept for coherent beam combining is presented based on a simple setup with micro-lens arrays. These standard components are used in a proof-of-principle experiment for both coherent beam splitting and a combination of $5 \times 5$ beams. Here a combination efficiency above 90% is achieved. We call this novel concept “mixed aperture.”

© 2020 Optical Society of America

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Supplementary Material (1)

NameDescription
Visualization 1       Coherent beam combining of 25 beams with MLAs without and with phase matching.

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