Efficient tiled calculation of over-10-gigapixel holograms using ray-wavefront conversion
Posted on 2018-04-12 - 19:54
In the calculation of large-scale computer-generated holograms, an approach called “tiling”, which divides the hologram plane into small rectangles, is often employed due to limitations on computational memory. However, the total amount of computational complexity severely increases with the number of division. In this paper, we propose an efficient method for calculating tiled large-scale holograms using ray-wavefront conversion. In experiments, the effectiveness of the proposed method was verified by comparing its calculation cost with that using the previous method. Additionally, a hologram of 128K × 128K pixels was calculated and fabricated by a laser-lithography system, and a high-quality 105 mm × 105 mm 3D image including complicated reflection and translucency was optically reconstructed.
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Igarashi, Shunsuke; Nakamura, Tomoya; Matsushima, Kyoji; Yamaguchi, Masahiro (2018). Efficient tiled calculation of over-10-gigapixel holograms using ray-wavefront conversion. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.3997971.v1
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AUTHORS (4)
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Shunsuke Igarashi
TN
Tomoya Nakamura
KM
Kyoji Matsushima
MY
Masahiro Yamaguchi