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We demonstrate, through the use of an acousto-optic system, the generation of two-dimensional uniform spot arrays with high diffraction efficiency. The system consists of two acousto-optic cells oriented orthogonally to each other and driven by an arbitrary waveform generator. Determination of the acousto-optic drive signal is discussed, as well as techniques for generating arbitrary spot arrays.
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Prather et al. (1991) studied this question.
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