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2-Dimensional Waveguide Coherent Beam Combiner

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Abstract

We report on a novel coherent beam combiner with the potential to completely eliminate side-lobe power in the combined beam, without the use of vulnerable refractive or diffractive optical elements in the beam train, allowing scaling to high power. We have completed a low power, 2-dimensional proof-of-concept demonstration. The 2-D beam combiner can be used with various lasers but is particularly well suited for combining the outputs of fiber lasers.

© 2007 Optical Society of America

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