most citedIdentification of a replicable optical security element using laser speckle

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cs.CR2024★ 8 cited

Identification of a replicable optical security element using laser speckle

A. M. Smolovich, A. V. Frolov, L. D. Klebanov +4

An optical security element containing an area of random rough relief is proposed. It combines the low cost of mass replication inherent in traditional security holograms with the…