Following the advent of the laser and directly stimulated by its ready availability, there has been tremendous progress in the past two decades in the development of coherent and incoherent optical processing techniques. However, the many advantages of 2-D parallel processing are not fully exploitable in image and data processing systems without the availability of appropriate real-time spatial light modulators. Although a wide range of candidate spatial light modulator technologies have been proposed and extensively researched and developed, no single candidate has yet emerged that at once satisfies the system requirements of low cost, reliability, and ease of operation while simultaneously exhibiting the requisite technical performance characteristics demanded by increasingly complex optical processing applications.

© 1982 Optical Society of America

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