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Coherent beam combination of fiber laser arrays via multiplexed volume Bragg gratings

We report the first experimental demonstration of active coherently combining of fiber laser arrays with multiplexed volume Bragg gratings up to 70W combined output power with diffraction limited beam quality achieved at 82% combining efficiency.

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Bibliographic Details
Main Authors: Lu, C. A., Flores, A., Bochove, E., Roach, W. P., Smirnov, V., Glebov, L. B.
Format: Conference Proceeding
Language:English
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Description
Summary:We report the first experimental demonstration of active coherently combining of fiber laser arrays with multiplexed volume Bragg gratings up to 70W combined output power with diffraction limited beam quality achieved at 82% combining efficiency.
ISSN:2160-8989
2160-9004
DOI:10.1364/CLEO_SI.2012.CF2N.2