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- W4297809376 abstract "The extensive progress in nanofabrication techniques enabled innovative methods for molding light at the nanoscale. Subwavelength structured optical elements and, in general, metasurfaces and metamaterials achieved promising results in several research areas, such as holography, microscopy, sensing and nonlinear optics. Still, a demanding challenge is represented by the development of innovative devices with reconfigurable optical properties. Here, we review recent achievements in the field of tunable metasurface. After a brief general introduction about metasurfaces, we will discuss two different mechanisms to implement tunable properties of optical elements at the nanoscale. In particular, we will first focus on phase-transition materials, such as vanadium dioxide, to tune and control the resonances of dipole nanoantennas in the near-infrared region. Finally, we will present a platform based on an AlGaAs metasurface embedded in a liquid crystal matrix that allows the modulation of the generated second harmonic signal." @default.
- W4297809376 created "2022-10-01" @default.
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- W4297809376 date "2023-07-05" @default.
- W4297809376 modified "2023-10-01" @default.
- W4297809376 title "Manipulating Light with Tunable Nanoantennas and Metasurfaces" @default.
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- W4297809376 doi "https://doi.org/10.5772/intechopen.106500" @default.
- W4297809376 hasPublicationYear "2023" @default.
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