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2019 | OriginalPaper | Chapter

4. Flat Optics for Surface Waves

Author : Mario Junior Mencagli

Published in: Manipulation of Surface Waves through Metasurfaces

Publisher: Springer International Publishing

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Abstract

As already mentioned in Chap. 1, a modulated MTS may be obtained by gradually varying the geometry of the elements in contiguous cells, while maintaining the period unchanged and electrically small. Macroscopically, this results in a modulation of the IBC that, due to the small dimensions of the unit cell, can be assumed to be almost continuous and locally treated by assuming each element as immersed in a periodic environment. The spatial variability of the IBC imposes a deformation of the SW wavefront, which addresses the local wavevector along non-rectilinear paths.

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Metadata
Title
Flat Optics for Surface Waves
Author
Mario Junior Mencagli
Copyright Year
2019
DOI
https://doi.org/10.1007/978-3-030-14034-2_4