Fig. 1. (a) Conventional binary CGH and (b) BW-CGH for green reference light.
Fig. 2. Light intensities of the reconstructed object points from BW-CGHs shown in green with various gradation levels.
Fig. 3. Assignment of the object points of the 3D object to the bit planes comprising BW-CGHs with different gradation levels.
Fig. 4. Color reconstructed object point from RGB bit planes comprising BW-CGHs with different gradation levels.
Fig. 5. Optical setup for color electroholography using RGB multiple bit planes comprising BW-CGHs.
Fig. 6. RGB-colored bit plane
Fig. 7. Multicolored reconstructed real images using the proposed method. (a) The white 3D objects “Stanford bunny” with gradation. (b) The reconstructed real image from the white 3D objects “Stanford bunny.” (b)–(n) The multicolored reconstructed image.
Fig. 8. Assignment of the object points of the seven-color 3D model to RGB multiple bit planes.