
Real‐Time Nanopositioning for Security Holograms
Author(s) -
Király Mariann,
Pulido Iván
Publication year - 2019
Publication title -
photonicsviews
Language(s) - English
Resource type - Journals
eISSN - 2626-1308
pISSN - 2626-1294
DOI - 10.1002/phvs.201900006
Subject(s) - holography , focus (optics) , computer science , position (finance) , computer graphics (images) , optics , physics , business , finance
An embedded vision system computes position data in real time and controls a nanopositioning system, ensuring that the optics in a microlithography system always stay in focus and enabling the creation of high‐tech master holograms for holographic security seals and labels.