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Dendritic cell-cluster metasurface manipulation of visible light

The manipulation of visible light is important in science and technology research. Metasurfaces can enable flexible and effective regulation of the phase, polarization, and propagation modes of an electromagnetic wave. Metasurfaces have become a research hotspot in optics and electromagnetics, and cross-polarization conversion is an important application for visible-light manipulation using a metasurface. A metasurface composed of nano-antenna arrays and bilayer plasma can reportedly convert the direction of linear polarized light efficiently. However, the metasurface of cross-polarization conversion operating in short-wavelength visible light is problematic. In addition, previous metasurfaces prepared using the top-down etching method is unsuitable for practical applications because of the necessary harsh experimental conditions and the high construction cost of preparation. In the present work, we suggest a dendritic cell-cluster metasurface achieve cross-polarization in transmission mode within 550, 570, 590 and 610 nm wavelength. Preparation is accomplished using a bottom-up electrochemical deposition method, which is easy and low cost. The dendritic cell-cluster metasurface is an important step in cross-polarization conversion research and has broad application prospects and development potential.