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Conferences > ASSP > 2012 > AM3A > AM3A.1

Diffractive Beam Combining of a 2.5-kW Fiber Laser Array*

Shawn M. Redmond, T. Y. Fan, Daniel J. Ripin, Peter A. Thielen, Joshua E. Rothenberg, and Gregory D. Goodno

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Abstract

Five 500-W fiber amplifiers were coherently combined with 79% efficiency using a diffractive optical element (DOE) combiner, generating a single beam whose M2 = 1.1 beam quality exceeded that of the inputs.

© 2012 Optical Society of America

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