Laser surface authentication - reading Nature's own security code

被引：28
|
作者：
Cowburn, Russell [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Phys Lab, London, England
来源：
CONTEMPORARY PHYSICS | 2008年 / 49卷 / 05期
关键词：
laser surface authentication; security coding;
D O I：
10.1080/00107510802583948
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A laser-based security technique called Laser Surface Authentication (LSA) is described in which diffuse laser scattering is used as a probe of the naturally-occurring randomness present in virtually all surfaces. LSA brings the principles of biometric identification currently used in human fingerprint- or iris-recognition to the world of inanimate objects such as paper documents, plastic cards, high value branded products and a range of other things that are commonly counterfeited or smuggled.
引用
收藏
页码：331 / 342
页数：12
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