Complex Fresnel hologram display using a single SLM


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Optical Society of America


We propose a novel optical method to display a complex Fresnel hologram using a single spatial light modulator (SLM). The method consists of a standard coherent image processing system with a sinusoidal grating at the Fourier plane. Two or three position-shifted amplitude holograms displayed at the input plane of the processing system can be coupled via the grating and will be precisely overlapped at the system's output plane. As a result, we can synthesize a complex hologram that is free of the twin image and the zero-order light using a single SLM. Because the twin image is not removed via filtering, the full bandwidth of the SLM can be utilized for displaying on-axis holograms. In addition, the degree of freedom of the synthesized complex hologram display can be extended by involving more than three amplitude holograms. (C) 2011 Optical Society of America



Spatial light modulators, Computer-generated holograms, Side-band, Holography, Crystals, Devices, Design, Image, Array


Jung-Ping Liu, Wang-Yu Hsieh, Ting-Chung Poon, and Peter Tsang, "Complex Fresnel hologram display using a single SLM," Appl. Opt. 50, H128-H135 (2011); doi: 10.1364/AO.50.00H128