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Diffractive Optical Elements for 3-D Displays Based on the Partial Pixel 3-D Display Architecture

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Abstract

Real-time holographic display architectures are currently of significant interest,1-2 in part due to intense international competition to develop advanced displays for high definition television, three-dimensional (3-D) workstations, and virtual reality systems. We have recently invented an alternate approach to holographic displays for such applications. Our 3-D display architecture (referred to as the “partial pixel architecture”) is functionally equivalent to a holographic stereogram, yet lends itself to real-time implementation using flat panel liquid crystal technology in conjunction with diffractive optical elements.3 A key innovation of the architecture is the encoding of very high space-bandwidth product components typical of holographic displays into a fixed diffractive optical element (DOE), while the lower space-bandwidth product components of actual images are displayed in real-time on a conventional liquid crystal display (LCD). In this paper we discuss diffractive optical element design considerations and implementation issues for real-time 3-D displays based on the partial pixel architecture.

© 1996 Optical Society of America

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