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Microlens array for modification of SLM devices

Teledyne Brown Engineering (TBE) has designed a binary optic microlens array that will increase the efficiency of a spatial light modulator (SLM). This paper discusses the design procedure and predicts the simulated performance. It is demonstrated that conventional ray trace modeling is inadequate for micro-optic design due to diffraction effects. A scalar wave solution correctly simulates this phenomenon under most conditions.