Polarization-controlled bifunctional metasurface for structural color printing and beam deflection
| Autor: | Wengang Wu, Yun Huang, Shengxiao Jin, Xiaoyu Chen, Meizhang Wu, Jia Zhu |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Materials science
business.industry Phase (waves) 02 engineering and technology Color printing 021001 nanoscience & nanotechnology Polarization (waves) 01 natural sciences Atomic and Molecular Physics and Optics 010309 optics Gamut Optics 0103 physical sciences Chromatic scale 0210 nano-technology business Diffraction grating Plasmon Structural coloration |
| Zdroj: | Optics Letters. 45:1707 |
| ISSN: | 1539-4794 0146-9592 |
| Popis: | We propose a polarization-controlled bifunctional metasurface composed of arrayed trapezoidal nanoantennas. Under orthogonal-polarized incidence, different types of gap-surface plasmons are generated, regulating the intensity and phase, respectively. Thus, structural color printing and beam deflection functions are achieved on a miniaturized chip. The color printing function works from 400 to 800 nm, exhibiting a subwavelength-scale chromatic image with a broad gamut. The beam deflection function works from 360 to 540 nm, mapping light to the first diffraction order with the anomalous angle from 40.4° to 76.6°. The proposed bifunctional metasurface could serve as a key component in integrated optics systems and will find many other wide-ranging applications in optical and biological areas. |
| Databáze: | OpenAIRE |
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