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Conferences > ASSL > 2017 > ATu3A > ATu3A.3

Coherent Beam Combination of Four Holmium Amplifiers using Direct Phase Control from a DDS Chip and a SPGD Algorithm

Michael Oermann, Neil Carmody, Alexander Hemming, Simon Rees, Nikita Simakov, Robert Swain, Keiron Boyd, Alan Davidson, Leonardo Corena, Dmitrii Stepanov, and John Haub

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Abstract

We present the coherent beam combination of four 2100 nm holmium amplifiers using direct digital synthesizer chip controlled acousto-optic modulators and a stochastic parallel gradient descent algorithm.

© 2017 Optical Society of America

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