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    Lightsafe: An interactive Security Technology for Banknotes and ID Documents

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    Author
    Eichenberger, Martin; Basset, Guillaume
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    Abstract
    We present a novel class of interactive security features . Based on light guiding in thin foils, the features are verified by illuminating them with a white light source, such as the LED of a smartphone, and viewing different areas or symbols lighting up.
    Publication Reference
    Optical and Digital Document Security
    Year
    2022-04-12
    URI
    https://yoda.csem.ch/handle/20.500.12839/1094
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