Calculation of angular and spectral selectivity for full-parallax holographic stereograms
D.S. Lushnikov, A.Y. Zherdev, V.V. Markin, S.B. Odinokov, A.V. Smirnov

 

Bauman Moscow State Technical University, Moscow, Russia,

JSC “RPC “Krypten”, Dubna, Russia

Full text of article: Russian language.

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Abstract:
In this paper, dependencies of the angular and spectral selectivity on the incidence angle of the reference beam in a scheme for obtaining reflection and transmission holograms are obtained and analyzed. It is shown that for obtaining color holographic stereograms a scheme for obtaining transmission holograms is more suitable. While the angular selectivity of reflection and transmission color holograms is the same, the spectral selectivity of the reflection hologram is much higher at all wavelengths of recording. A method and equipment for one-step digital recording of color full-parallax holographic stereograms with rasterless image are developed. Samples of color full-parallax security holographic stereograms with a “flip-flop” effect in the image were obtained. The quality of the reconstructed image verifies high spectral selectivity for this type of holograms.

Keywords:
security holograms, color holograms; multiplex holograms; holographic stereograms.

Citation:
Lushnikov DS, Zherdev AY, Markin VV, Odinokov SB, Smirnov SV. Calculation of angular and spectral selectivity for full-parallax holographic stereograms. Computer Optics 2016; 40(6): 802–809. DOI: 10.18287/2412-6179-2016-40-6-802-809.

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