High-quality full-parallax full-color three-dimensional image reconstructed by stacking large-scale computer-generated volume holograms

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Abstract
A novel technique is presented for the full-color reconstruction of large-scale computer-generated holograms (CGHs). In this method, three printed CGHs are transferred to three volume holograms at the wavelengths corresponding to red–green–blue (RGB) colors and then stacked to superimpose the RGB color images. The developed CGHs are compact and portable. The reconstructed image is sharp and vivid as compared with that developed using RGB color filters. A technique for correcting the original CGHs is proposed to compensate for the aberration caused by the thick glass substrate because the RGB images exhibit a considerable position shift owing to the aberration. Fabricated large-scale full-color CGHs are demonstrated to verify the techniques.
Funding Information
  • Japan Society for the Promotion of Science (KAKENHI 18H03349)

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