Holographic colour prints for enhanced optical security by combined phase and amplitude control
Here, the authors fabricate a device that integrates multiple computer-generated holograms into a single colour print. Under white light, a colour image is seen, whereas illumination with a red, green, or blue beam from a handheld laser pointer projects three different holograms onto a distant scree...
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Autores principales: | , , , |
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Formato: | article |
Lenguaje: | EN |
Publicado: |
Nature Portfolio
2019
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Materias: | |
Acceso en línea: | https://doaj.org/article/00bd9306644a43dbbcf1a4ef7523e563 |
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