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Large-angle beam steering using all-optical liquid crystal spatial light modulators

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2 Author(s)
Tabiryan, N.V. ; Beam Engineering for Advanced Measurements Co. (BEAM Co.), 686 Formosa Avenue, Winter Park, Florida 32789 ; Nersisyan, S.R.

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We have demonstrated operation of an all-optical liquid crystal (spatial light modulator) used for steering a laser beam over large angles. Continuous steering over ±12.4° is achieved, controlled by the power of an infrared pump beam; This is a very large steering angle for a nonmechanical nondiffractive system.

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Applied Physics Letters  (Volume:84 ,  Issue: 25 )