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Holographic colour prints for enhanced optical security by combined phase and amplitude control
Conventional optical security devices provide authentication by manipulating a specific property of light to produce a distinctive optical signature. For instance, microscopic colour prints modulate the amplitude, whereas holograms typically modulate the phase of light. However, their relatively sim...
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| Publicat a: | Nat Commun |
|---|---|
| Autors principals: | , , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Nature Publishing Group UK
2019
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6318302/ https://ncbi.nlm.nih.gov/pubmed/30604762 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-018-07808-4 |
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