期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 69, 期 2, 页码 918-927出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2020.3016461
关键词
Slabs; Scattering parameters; Couplings; Permeability; Tensors; Permittivity; Bianisotropic; constitutive parameters; metamaterials (MMs); oblique-incidence; retrieval; strong coupling
资金
- TUBITAK [218M341]
An attractive extraction method has been proposed to determine all constitutive parameters of diagonal permittivity and permeability tensors in addition to the coupling term of omega-type bianisotropic metamaterial slabs. The noniterative and less-requirement features of this method surpass other similar methods in the literature. Additional analyses were performed to test dependencies of the method on incidence angle and the number of cells and to investigate whether it retrieves a unique solution.
An attractive extraction method has been proposed to determine all constitutive parameters of diagonal permittivity and permeability tensors in addition to the coupling term (a total of seven quantities) of omega-type bianisotropic metamaterial (MM) slabs. Noniterative (no need to use any numerical method) and less-requirement (scattering parameters of two modes only) features put our method to the forefront over other similar methods in the literature. A bianisotropic MM slab synthesized by the Drude and Lorentz models and another bianisotropic MM slab constructed by split-ring resonators are considered to validate and examine the accuracy of our method. Finally, additional analyses are performed to test dependencies of our method on incidence angle and the number of cells and to investigate whether it retrieves a unique solution.
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