Invented by Denis GABOR in 1948, holograms have been an endless source of innovation ever since. Holograms can contain variable elements that can be visually authenticated or automatically checked. In an ever changing world where technologies are rapidly evolving, it is a powerful instrument in the fight against counterfeiting. Over the last few years, the hologram has also undergone its digital transformation and has once again proved its legitimacy and complementarity with new technologies. In today’s world, holograms can be associated with advanced digital technologies to facilitate authentication, tracking and traceability and give access to online services. This presentation aims to review the many benefits of the use of the holograms as the link between the physical and the digital worlds, and how an optical chip can help taking today challenges.
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