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Computer-generated holograms with optimum bandwidths obtained with twisted-nematic liquid-crystal displays

Victor Arrizón, Luis A. González, Rodrigo Ponce, and Alfonso Serrano-Heredia

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Abstract

We discuss a computer-generated hologram for encoding arbitrary complex modulation based on a commercial twisted-nematic liquid-crystal display. This hologram is implemented with the constrained complex modulation provided by the display in a phase-mostly configuration. The hologram structure and transmittance are determined to obtain on-axis signal reconstruction, maximum bandwidth, optimum efficiency, and high signal-to-noise ratio. We employed the proposed holographic code for the experimental synthesis of first-order Bessel beams.

© 2005 Optical Society of America

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