Abstract
A non-mechanical scanning method based on a liquid-crystal spatial light modulator (LC-SLM) is proposed to increase the viewing angle of electronic holographic three-dimensional (3D) displays. A scanning off-axis Fresnel lens is simulated by the LC-SLM to deflect the reconstructed light beam. Using the time-division multiplexing method, the viewing zones are sequentially projected to different positions. When the eyes of the observer are located at the viewing zones, the reconstructed 3D images can be observed. The experimental results and analyses show the feasibility and advantages of the proposed method.
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