Schematic of dynamic hyperspectral holography enabled by inverse-designed metasurfaces with oblique helicoidal cholesterics. Credit: POSTECH
Researchers at Pohang University of Science and Technology (POSTECH) have advanced online security by integrating an AI-based metasurface with oblique helicoidal cholesteric liquid crystals.
Led by Professor Junsuk Rho from the Departments of Mechanical Engineering, Chemical Engineering, and Electrical Engineering, along with Dr. Sunae So (also a professor at Korea University) and Ph.D./MS student Joohoon Kim from the Department of Mechanical Engineering and Professor Young-Ki Kim and Ph.D./MS student Jun-Hyung Im from the Department of Chemical Engineering, the team has successfully …
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