Complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms

https://phys.org/news/2024-08-basis-reprogrammable-coding-metasurface-generating.html

"broadband, compact, high scalability... orthogonal circular polarization incident electromagnetic wave components a complete basis state set... holographic image under arbitrarily polarized incident electromagnetic waves... spin-controlled meta-holograms with identical/ variable focal length, coplanar dual-polarized pixel synthesis meta-holograms, full-polarized Poincaré detection... high capacity information storage, dynamic holographic display/ detection, multi-functional electromagnetic information processing"