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Full-color holographic 3D display with horizontal full viewing zone by spatiotemporal-division multiplexing

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Abstract

A technical full-color reconstruction method is presented to develop our previous monochromatic holographic three-dimensional display with a horizontal full viewing zone. A digital micromirror device (DMD) is used as a high-speed spatial light modulator, and its modulation area is divided into three parts, which independently handle three sub-holograms corresponding to red, green, and blue components. The reconstructed images from a single frame of the DMD never form full-color images. However, given that this spatial division is combined with the time-division method for the full viewing zone, each monochromatic image is temporally mixed, and practically full-color images are reconstructed. After monochromatic reconstruction from a single frame was confirmed, full-color reconstruction with a horizontal full viewing zone was demonstrated.

© 2018 Optical Society of America

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