Abstract
Superposition of complex fields generated by a hologram and its intensity detections facilitate parallel optical logic operations Coherent lights must be used for inputs, since this holographic logic operation is based on coherent optical processes Therefore, coherent input devices are required for parallel optical computing Three important properties of these coherent input devices are contrast, amplitude deviation, and phase deviation. In this paper, we discuss the tolerance limits of these three properties Experiments using a liquid crystal display as a coherent input device are studied.
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