Abstract
At short wavelengths, such as visible and ultraviolet (UV) wavelengths, the energy of photons is high, so the light-matter interaction is also strong, inevitably leading to optical absorption. Thus, the optical properties of materials are critical for the development of UV/visible metasurfaces. In this chapter, we introduce UV/visible metasurfaces from the viewpoint of a material platform. Based on the electromagnetic interaction with materials, we provide an overview of metallic and dielectric metasurfaces at UV/visible wavelengths. Recent advances in developing UV/visible metasurfaces with different material platforms are discussed from the perspective of unexplored approaches for shortwavelength metasurfaces. Finally, the fundamental and technical challenges of UV/visible metasurfaces are briefly discussed, followed by a summary of this chapter.
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