Fabrication of diffraction based security elements using direct laser interference patterning
F Rößler, T Kunze, AF Lasagni - Optics express, 2017 - opg.optica.org
Product piracy impacts wide areas of the global economy resulting in multi-billion dollar
losses per year. Therefore, product protection technologies are required to produce security …
losses per year. Therefore, product protection technologies are required to produce security …