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Authenticating in 3D Polarisation

A team of scientists, from Heriot-Watt University and the University of Hong Kong have developed an optical metasurface to create colour-selective 3D polarisation structures.

Optical Features - November 8, 2022 midnight

KURZ Moves on With KINEGRAM DYNAMIC®

Foil and thin film technology company KURZ has been a pioneer in the use of diffractive optical anti-counterfeit features on banknotes since its earliest developments. Now, KURZ has made another step forward, with OVD Kinegram (OVDK), a member of the KURZ Group since 1999, in introducing its latest optical technology, KINEGRAM DYNAMIC®.

Optical Features - March 1, 2022 midnight

Breaking the Security Mould with MicroEdge

Nanopixel, a subsidiary of the light science technologies group Lumenco, has announced the creation of MicroEdge™, a patented optical security feature that can be moulded directly into the surface of plastic products or packaging.

Optical Features - March 1, 2022 midnight