Optical EngineeringOptical processor for array antenna beam shaping and steering
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An optical processor for phased-array antenna beamforming has been demonstrated. It is capable of providing real-time control of both antenna beam steering and beam shaping in one or two dimensions, with an rms phase linearity of 5 bits. The functions of beam shaping and steering are combined through a magneto-optic spatial light modulator (SLM), which is fast, small, and simple to use.