Visualizer of Magnetic Protection of Securities and Banknotes

被引：2
|
作者：
Vishnevskii, V. G. [1 ]
Berzhansky, V. N. [1 ]
Nedviga, A. S. [1 ]
Nesteruk, A. G. [1 ]
机构：
[1] VI Vernadsky Taurida Natl Univ, Joint European Lab LEMAC, UA-95007 Simferopol, Ukraine
来源：
SENSOR LETTERS | 2009年 / 7卷 / 03期
关键词：
Magneto-Optics; Garnet Film; Visualization; Protection; Banknotes;
D O I：
10.1166/sl.2009.1048
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Magneto-optic visualizer of ferromagnetic metameric coloring agents based on perpendicular anisotropy garnet-ferrite film supplied with biasing planar magnetic field system is presented. Optimal parameters of the film, biasing field and observation geometry are described. Examples of detected magnetic protection imitations are observed. It is shown that the visualizer can be effectively used not only for detecting the fact of forgery but also for criminalistic expert research.
引用
收藏
页码：282 / 285
页数：4
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