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Appl Opt. 2005 Mar 20;44(9):1625-34.

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

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  • 1Optica y Electrónica, Instituto Nacional de Astrofisica, Apartado Postal 51 y 216, Puebla, PUE 72000, México. arrizon@inaoep.mx

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.

PMID:
15813265
[PubMed]
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