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Open Access Research Article

Depth Profiling of Diffraction-based Security Features in Authentic and Counterfeit Banknotes

IOAN CRISTINEL NEGRU, VIORICA VASILACHE, ION SANDU, ROMEO IULIAN OLARIU, PETRU OVIDIU TANASA, DANIEL POTOLINCA, IRINA CRINA ANCA SANDU
Published 30 Jun 2017
Pages 321–325

Abstract

High printing quality of banknotes and the variety of security features implemented in banknotes make a big difference between the genuine notes and high-quality forgeries. The counterfeiter cannot reproduce or imitate the printing quality and all security features embedded in every banknote, such as Optically Variable Ink, Optically Variable Diffractive Images, or intaglio printing. The present research focused on the examination of optically variable devices embedded on 50Îbanknotes. The altered banknotes were examined using different techniques.

Keywords: banknotes; counterfeit; interference; optical variable devices; optical variable inks

How to Cite this Article

NEGRU, I., VASILACHE, V., SANDU, I., OLARIU, R., TANASA, P., POTOLINCA, D., & SANDU, I. (2017). Depth Profiling of Diffraction-based Security Features in Authentic and Counterfeit Banknotes. Materiale Plastice, 54(2), 321–325. https://doi.org/10.37358/MP.17.2.4843
NEGRU I, VASILACHE V, SANDU I, OLARIU R, TANASA P, POTOLINCA D, SANDU I. Depth Profiling of Diffraction-based Security Features in Authentic and Counterfeit Banknotes. Materiale Plastice. 2017;54(2):321–325. doi: 10.37358/MP.17.2.4843
I. NEGRU, V. VASILACHE, I. SANDU, R. OLARIU, P. TANASA, D. POTOLINCA, and I. SANDU, "Depth Profiling of Diffraction-based Security Features in Authentic and Counterfeit Banknotes,” Materiale Plastice, vol. 54, no. 2, pp. 321–325, 2017. doi: 10.37358/MP.17.2.4843
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