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Proceedings Article

Zero-order diffractive microstructures for security applications

[+] Author Affiliations
Michael T. Gale, Karl Knop, Rudolph H. Morf

Paul Scherrer Institute (Switzerland)

Proc. SPIE 1210, Optical Security and Anticounterfeiting Systems, 83 (April 1, 1990); doi:10.1117/12.17917
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From Conference Volume 1210

  • Optical Security and Anticounterfeiting Systems
  • William F. Fagan
  • Los Angeles, CA | January 14, 1990

abstract

The optical characteristics of diffractive microstructures designed for zero-order read-out are discussed. Such devices offer new optical behaviour which can be exploited for applications in the field of visual and machine readable security features. They can be fabricated by low-cost embossing and evaporation techniques.

© (1990) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Michael T. Gale ; Karl Knop and Rudolph H. Morf
"Zero-order diffractive microstructures for security applications", Proc. SPIE 1210, Optical Security and Anticounterfeiting Systems, 83 (April 1, 1990); doi:10.1117/12.17917; http://dx.doi.org/10.1117/12.17917


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