Novel Optimization Method of Phase-Only Computer-Generated Hologram Using the Phase-Shift Characteristic Kim, Tae-Hyeon; Kim, Bong-Sik; Park, Woo-Sang;
In this study we propose the novel optimization method of the phase-only computer-generated hologram (CGH), to improve calculation speed compared to the conventional method. While the conventional method is calculated using numerical analysis, the novel method is calculated using the phase-shift characteristic of Fourier transformation. In addition, the selectivity of noise filtering lets it decrease the calculation time. The validity of the reconstructed image using the novel method is verified by comparing simulation results to ideal and conventional data, and the improvement of texture and sharpness of the reconstructed image is confirmed by simulation.
Hologram;CGH;Fourier optics;Phase shift;
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