15 May 2017 Optical-electronic device based on diffraction optical element for control of special protective tags executed from luminophor
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Abstract
The report focuses on special printing industry, which is called secure printing, which uses printing techniques to prevent forgery or falsification of security documents. The report considered the possibility of establishing a spectral device for determining the authenticity of certain documents that are protected by machine-readable luminophor labels. The device works in two spectral ranges – visible and near infrared that allows to register Stokes and anti-Stokes spectral components of protective tags. The proposed device allows verification of the authenticity of security documents based on multiple criteria in different spectral ranges. It may be used at enterprises related to the production of security printing products, expert units of law enforcement bodies at check of authenticity of banknotes and other structures.
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M. Polyakov, M. Polyakov, S. Odinokov, S. Odinokov, } "Optical-electronic device based on diffraction optical element for control of special protective tags executed from luminophor", Proc. SPIE 10233, Holography: Advances and Modern Trends V, 102331S (15 May 2017); doi: 10.1117/12.2265420; https://doi.org/10.1117/12.2265420
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