Abstract
A new class of planar, wavelength-thick optical components exhibiting exceptional optical properties have emerged in recent years[1-3]. These artificial interfaces, known as metasurfaces, rely on the scattering properties of the subwavelength structures patterned at a boundary to mold the wavefront of light in almost any desired manner. Beside numerous experimental demonstrations, only a handful of low cost and fabrication friendly materials are suitable for their practical implementations. To further develop this technology towards dynamic tuning, broadband application and industrial production, new materials and new fabrication methods are required.
© 2019 IEEE
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