Synthesis of Spherical Metasurfaces Based on Susceptibility Tensor GSTCs

@article{Jia2019SynthesisOS,
  title={Synthesis of Spherical Metasurfaces Based on Susceptibility Tensor GSTCs},
  author={Xiao Jia and Yousef Vahabzadeh and Christophe Caloz and Fan Yang},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2019},
  volume={67},
  pages={2542-2554}
}
The bianisotropic susceptibility generalized sheet transition conditions (GSTCs) synthesis method is extended from planar to spherical metasurfaces. Properties specific to the nonzero intrinsic curvature of the spherical shape are pointed out and different types of spherical transformations are described. Finally, the susceptibility GSTC method and exotic properties of spherical metasurfaces are validated and illustrated with three examples: illusion transformation, ring focusing, and… 
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This paper presents the computational analysis of metasurfaces via the GSTC-susceptibility approach, and shows that this analysis plays a crucial role in the holistic design of metAsurfaces and overviews recently reported related frequency-domain (finite-difference frequency- domain, spectral-domain integral-equation, and finite-element method) and time- domain ( finite-Difference time-domain) computational techniques.
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