Optical Lock and Key Techniques for Anticounterfeiting

Keith Lewis; Gilbert Smith

doi:10.1364/OIC.2001.ThC6

Optical Interference Coatings
OSA Technical Digest Series (Optica Publishing Group, 2001),
paper ThC6
•https://doi.org/10.1364/OIC.2001.ThC6

Optical Lock and Key Techniques for Anticounterfeiting

Keith Lewis and Gilbert Smith

Optical Interference Coatings 2001

Banff Canada
ISBN: 1-55752-682-6

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Applications of Optical Coatings I (ThC)

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K. Lewis and G. Smith, "Optical Lock and Key Techniques for Anticounterfeiting," in Optical Interference Coatings, OSA Technical Digest Series (Optica Publishing Group, 2001), paper ThC6.

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Abstract

An “optical lock and key” is described as the basis of a new anticounterfeiting technique. The protection features can be exploited in transmission or reflection using continuous film structures or as tailored pigments.

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