Evaluation of profiles of an inhomogeneous chiral slab using state transition matrix method
Source abstract
Abstract
A free-space method for the reconstruction of longitudinally inhomogeneous chiral material is proposed in this paper. The developed technique is based on the use of state transition matrix method. The problem is first formulated as an inverse scattering one based on a state transition matrix in terms of the unknown constitutive parameters. By using knowledge of scattering parameters, state transition matrix and its properties are employed to solve the inverse problem. The idea of the state transition matrix method for the characterization is to exploit the state transition matrix and then go back to the inhomogeneous chiral slab parameters. The advantage of using this analytic reconstruction technique is its ability to remove complexity and nonlinearity of the inverse problem. To test the performance of the proposed method and to show its effectiveness, it is tested against a typical example. The results show that the inverse algorithm can be used for the characterization of inhomogeneous chiral material without needing a priori information.
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Research context
OpenAlex topics: Metamaterials and Metasurfaces Applications · Electromagnetic Scattering and Analysis · Advanced Antenna and Metasurface Technologies
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