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Proceedings Paper

The influence of diffraction gratings relief distortion on diffraction efficiency during authentication security holograms
Author(s): V. V. Kolyuchkin; S. B. Odinokov; I. K. Tsyganov
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Paper Abstract

The method of security hologram quality inspection, in which the relief phase parameters are determined by registering results of the intensity distribution in diffraction orders, is known. The profile of relief as a harmonious distribution is represented. Distortion of the ideal relief profile, another words phase relief noise, influence on the accuracy of this method. In the paper, on the assumption of homogeneity of the phase relief noise, the mathematical expressions for evaluating the influence of the phase relief noise on the intensity distribution in the diffraction orders are represented. Parameters of the correlation functions approximation describing the phase relief noise are determined. The dependence of the intensity values from the standard deviation of the phase relief noise is represented.

Paper Details

Date Published: 31 October 2016
PDF: 5 pages
Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100221M (31 October 2016); doi: 10.1117/12.2246097
Show Author Affiliations
V. V. Kolyuchkin, Bauman Moscow State Technical Univ. (Russian Federation)
S. B. Odinokov, Bauman Moscow State Technical Univ. (Russian Federation)
I. K. Tsyganov, Bauman Moscow State Technical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10022:
Holography, Diffractive Optics, and Applications VII
Yunlong Sheng; Chongxiu Yu; Changhe Zhou, Editor(s)

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