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Experimental beam combining stabilization using machine learning trained while phases drift.

Published Web Location

https://doi.org/10.1364/oe.450255
Abstract

An 8-beam, diffractive coherent beam combiner is phase controlled by a learning algorithm trained while optical phases drift, using a differential mapping technique. Combined output power is stable to 0.4% with 95% of theoretical maximum efficiency, limited by the diffractive element.

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