Graphical Retrieval Method for Orthorhombic Anisotropic Materials
NAVAL AIR WARFARE CENTER CHINA LAKE CA RESEARCH DEPT
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We apply the equivalent theory to orthorhombic anisotropic materials and provide a general unit-cell design criterion for achieving a length-independent retrieval of the effective material parameters from a single layer of unit cells. We introduce a graphical retrieval method and phase unwrapping techniques. The graphical method utilizes the linear regression technique. Our method can reduce the uncertainty of experimental measurements and the ambiguity of phase unwrapping. Moreover, the graphical method can simultaneously determine the bulk values of the six effective material parameters, permittivity and permeability tensors, from a single layer of unit cells.
- Miscellaneous Materials
- Theoretical Mathematics
- Plasma Physics and Magnetohydrodynamics