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9 November 1993 Compact electro-optic controller for microwave phased-array antennas
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Abstract
A compact, low cost, phased array antenna optical beamformer with element level analog phase (0 - 2 (pi) ) and amplitude control using nematic liquid crystal display-type technology is experimentally demonstrated. Measurements indicate > 6-bit phase control and 52.6 dB of amplitude attenuation control. High quality error calibration and antenna sidelobe level control is possible with this low control power, analog antenna controller. Optical system options using rf Bragg cells or wideband Bragg cells are discussed.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nabeel A. Riza "Compact electro-optic controller for microwave phased-array antennas", Proc. SPIE 2026, Photonics for Processors, Neural Networks, and Memories, (9 November 1993); https://doi.org/10.1117/12.163581
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