Imaging Components, Systems, and Processing

High-resolution full-parallax computer-generated holographic stereogram created by e-beam technology

[+] Author Affiliations
Alexander Goncharsky, Anton Goncharsky, Svyatoslav Durlevich

Lomonosov Moscow State University, Research Computer Center, Leninskiye Gory, Moscow, Russia

Opt. Eng. 56(6), 063105 (Jun 20, 2017). doi:10.1117/1.OE.56.6.063105
History: Received March 17, 2017; Accepted June 1, 2017
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Abstract.  A high-resolution computer-generated stereogram for forming full-parallax three-dimensional (3-D) images is proposed. A full-parallax 3-D image is formed from 825 two-dimensional (2-D) projections and can be observed in a wide angular range. The stereogram is a reflective diffractive optical element (DOE) that consists of 50×50  μm2 hogels, where each hogel corresponds to one pixel of the 2-D frames. A phase-type kinoform is computed in every hogel by solving a nonlinear inverse problem. The DOE relief is fabricated using electron-beam technology with pixel size of 0.2×0.2  μm2. The effectiveness of the technology developed is illustrated by photographs and a video of a real DOE under monochromatic light and under white light. The new high-resolution full-parallax stereograms can be used for protecting bank notes, documents, and ID cards against counterfeit.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Alexander Goncharsky ; Anton Goncharsky and Svyatoslav Durlevich
"High-resolution full-parallax computer-generated holographic stereogram created by e-beam technology", Opt. Eng. 56(6), 063105 (Jun 20, 2017). ; http://dx.doi.org/10.1117/1.OE.56.6.063105


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