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Proceedings Paper

Recent advances in retroreflective security materials
Author(s): Edwin A. Grant
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Paper Abstract

As the title of this paper suggests, there are new optical systems that may be used for security applications. Several will be discussed here, along with a new selection procedure for consideration by those who search for utilization of the most effective "security" system to meet their requirements.

Paper Details

Date Published: 1 April 1990
PDF: 10 pages
Proc. SPIE 1210, Optical Security and Anticounterfeiting Systems, (1 April 1990); doi: 10.1117/12.17918
Show Author Affiliations
Edwin A. Grant, 3M Co. (United States)


Published in SPIE Proceedings Vol. 1210:
Optical Security and Anticounterfeiting Systems
William F. Fagan, Editor(s)

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