Fig. 1. CGH calculation process and the image reconstruction process of the time-division multiplexing method.

Fig. 2. (a) Original image of the letter “H”. (b), (c), and (d) are the reconstructed images at the distances of 50, 150, and 300 mm between the layer and the CGH plane when using the Fresnel diffraction algorithm. (e), (f), and (g) are the reconstructed images at the corresponding propagation distances when using the angular-spectrum algorithm. (h) The MSE curve of the reconstructions between the angular-spectrum algorithm and the Fresnel diffraction algorithm at different distances.

Fig. 3. Numerical reconstructions of the 3-D scene of a train model. (a) The group-CGH 1 of the train, (b) the group-CGH 2 of the train. (c) the group-CGH 3 of the train, (d) the numerical reconstruction of the group-CGH 1, (e) the numerical reconstruction of the group-CGH 2, and (f) the numerical reconstruction of the group-CGH 3.

Fig. 4. Experimental setup of the proposed time-division multiplexing holographic 3-D display.

Fig. 5. (a), (b), and (c) are the reconstructions of group-CGH 1, 2, 3, respectively, with the exposure time of 1/60 s. (d), (e), and (f) are the reconstructions when focusing on the front, center, and rear parts of the train, respectively, with the exposure time of 1/20 s.

Fig. 6. Numerical reconstructions of the microscopic image of pollen grains. (a) The original image, (b) the reconstructed image with one single CGH, (c) the reconstructed image with 7 group-CGHs, and (d) the SNR curve of the reconstructed images with the number of time-division multiplexed CGHs.

Fig. 7. Reconstructed images (a), (b), (c) are at the distances of 219.5, 220, and 220.5 mm, respectively. (d) The normalized MSE varies with the distance shift at the depth of 220 mm.