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CaeSaR Tags – Unclonable Patterns for Secure Authentication

A tag of bragg reflectors locked in a random arrangement provide a unique fingerprint for the marked objects

Published: 25th March 2020
CaeSaR Tags – Unclonable Patterns for Secure Authentication
Peter Heeling, Skitterphoto, CC0 https://skitterphoto.com/photos/3610/colored-water-drop
Patents
  • A fundamental method for making the CSRs in a way that their optical performance is maximized and that scattering due to refractive index mismatch with the surrounding is avoided has been patented (pending).
  • Applications are in progress for patents related to the read-out technology, recognition algorithms, methods for upscaling CSR production to industrial scale, and for realizing the rapid-solidifiable matrix material.
IP Status
  • Patent application submitted