Abstract
A method using a lens array to expand the viewing angle of holographic three-dimensional displays endows simplicity to optical systems and offers robustness against misalignment. In this study, we develop a method for generating holograms from point cloud data using the lens-array method. The proposed method utilizes the fact that the lens array generates a sparse light field in a checkered pattern to accelerate computation. Numerical verification and optical experiments show that the proposed method can generate holograms with wide viewing angles of 30° and 17° at high speeds.
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