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Updated: Jan 8, 2026

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
Published on: September 25, 2020
Qin Lin1, Feiyan Cai2, Yunqing Liu1
1School of Biomedical Engineering, Dongguan Key Laboratory of Medical Electronics and Medical Imaging Equipment, Songshan Lake Innovation Center of Medicine & Engineering, Guangdong Medical University, Dongguan, 523808, P. R. China.
This study introduces a novel acoustic encryption device using multi-dimensional multiplexed cascaded holography and particle manipulation. It enhances security and enables rapid visual decryption, overcoming limitations of current acoustic hologram encryption methods.
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