Efficient conversion of light from sparse laser arrays into single-lobed far field using phase structures.

Opt Lett

Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, USA.

Published: October 2008

An efficient beam-combining technique based on aperture filling is introduced to direct virtually all the energy of a mutually coherent laser array to the far-field main lobe. A comparison between this method and the Dammann grating method for beam superposition reveals the connection between the two and suggests specific applications for each.

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Source
http://dx.doi.org/10.1364/ol.33.002377DOI Listing

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