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Stressed liquid-crystal optical phased array for fast tip-tilt wavefront correction

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Abstract

A liquid-crystal optical phased-array technology that uses stressed liquid crystals provides a new type of tip-tilt wavefront corrector. It demonstrates a very fast time response (10 kHz) and high beam-steering efficiency (∼91%). The new technology presented here will allow for a nonmechanical, high-speed correction with simple device construction.

© 2005 Optical Society of America

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