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: Kevin T. P. Lim, Hailong Liu, Yejing Liu, Joel K. W. Yang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/00bd9306644a43dbbcf1a4ef7523e563
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