Pupil function replication in OTF synthesis.
Computer-generated pupil transparencies play an important role in diffraction-limited (nonimage casting) spatial filtering with spatially incoherent optical systems. By replicating the basic 2-D pupil function structure in a regular array, it is possible to increase system light efficiency, to reduce the effects of noise, and to eliminate virtually all effects of aliasing errors that result from filter design procedures usually employed. A general analysis and experimental results are presented.
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