Stacks of layers with periodical corrugations of interfaces as devices for document security

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00007064%3AK01__%2F19%3AN0000054" target="_blank" >RIV/00007064:K01__/19:N0000054 - isvavai.cz</a>
Result on the web
<a href="https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11030/1103019/Stacks-of-layers-with-periodical-corrugations-of-interfaces-as-devices/10.1117/12.2520739.short?SSO=1" target="_blank" >https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11030/1103019/Stacks-of-layers-with-periodical-corrugations-of-interfaces-as-devices/10.1117/12.2520739.short?SSO=1</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1117/12.2520739" target="_blank" >10.1117/12.2520739</a>

Result language
angličtina
Original language name
Stacks of layers with periodical corrugations of interfaces as devices for document security
Original language description
Abstrakt stati ve sborníku (viz R30) Protection of documents against tampering and counterfeiting can be accomplished by visually identifiable devices. A key requirement for them is that they should provide unique features enabling verification of authenticity. In stacks of layers with periodic undulations, diffraction and interference effects can be combined together with excitation of guided modes and long-range plasmons to provide large security potential. The studied stacks are composed of a hot-stamped HRI embossing foil, with or without a thin metal film deposited on the foil HRI coating, and they are embossed with diffraction gratings. Designs of stacks are analysed by dedicated numerical methods, with the gratings having sinusoidal profiles of the same modulation depth at each internal interface of the stack. The designs take into account aspects of practical producibility of final foil devices via embossing and vacuum deposition techniques. Corresponding experimentally realized samples are tested by angular and spectroscopic scatterometry.
Czech name
—
Czech description
—

Project
<a href="/en/project/VI20172020051" target="_blank" >VI20172020051: Security holograms employing synergy of diffraction and interference of light in a stratified medium of a foil</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Holography: Advances and Modern Trends VI - Proc. of SPIE Vol. 11030
ISBN
9781510627260
ISSN
0277-786X
e-ISSN
1996-756X
Number of pages
15
Pages from-to
1103019-1-1103019-15
Publisher name
The international society for optics and photonics (SPIE)
Place of publication
Neuveden
Event location
Praha, Česká republika
Event date
Jan 1, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000485115700037

Similar results(10)