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Parameter reconstruction of materials with off-diagonal anisotropy using the state transition matrix method
Affiliation:1. Department of Electrical and Computer Engineering, Graduate University of Advanced Technology, P.O. Box 763151-17, Kerman, Iran;2. Department of Electrical Engineering, Shahid Bahonar University of Kerman, P.O. Box 76169-133, Kerman, Iran;1. Department of Physics and Electronics, Beijing University of Chemical Technology, Beijing 100029, China;2. Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, Beijing University of Chemical Technology, Beijing 100029, China;3. Institute of Plastics Machinery and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;4. School of Software Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;5. Faculty of Sciences, Department of Physics, Laboratory L.P.S., Badji Mokhtar-Annaba University, Annaba 23000, Algeria;1. Department of Physics and Electronics, Beijing University of Chemical Technology, Beijing 100029, China;2. Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, Beijing University of Chemical Technology, Beijing 100029, China;3. Faculty of Sciences, Department of Physics, Laboratory L.P.S., Badji Mokhtar-Annaba University, Annaba 23000, Algeria;4. Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
Abstract:An effective non-iterative method is developed for determination electromagnetic parameters of complex materials with anisotropy. Unlike the existing methods, the proposed method can extract the electromagnetic tensor parameters of materials with off-diagonal anisotropy using co- and cross-polarized reflection and transmission without using iterative procedures. Useful analytical expressions are derived for extracting the medium parameters of materials with off-diagonal anisotropy. The advantage of the method is that it uses state transition matrix and its properties in order to avoid nonlinearity and complexity of the problem. The method can work very well for dispersive materials since it is based on frequency-by-frequency extraction. The proposed method is validated by extraction of the complex permittivity and permeability tensors of two typical anisotropic materials.
Keywords:Anisotropic media  Parameter reconstruction  State space approach  State transition matrix method
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