A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...
Dispersion is an inherent feature of electromagnetic waves. It allows light to behave differently at different wavelengths, ...
The research group led by Professor Yijun Feng and Professor Ke Chen from Nanjing University reports a hybrid-phase strategy ...
Broadband achromatic wavefront control, a cornerstone of next-generation photonic systems that supports full-color imaging, multi-spectral sensing ...
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Unhackable metasurface holograms: Security technology can lock information with light color and distance
A research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a secure ...
The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the ...
Traditional computational electromagnetics (CEM) methods—such as MoM, FEM, or FDTD—offer high fidelity, but struggle to scale ...
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