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Optical Phased Array with Small Spot Size, High Steering Range and Grouped Cascaded Phase Shifters

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Abstract

An optical phased array with a record spot size of 0.85°×0.18° and steering range of 46°×36° is demonstrated. Grouped cascaded phase shifters are utilized. Beam powers of 1mW and a free-space data link are achieved.

© 2016 Optical Society of America

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