NDLI: Microwave modeling and characterization of metamaterials and uniaxial composites

Content Provider	IEEE Xplore Digital Library
Author	Madhuri, A.S. Akhtar, M.J. Biswas, A.
Copyright Year	2012
Description	Author affiliation: Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P. - 208016, India (Madhuri, A.S.; Akhtar, M.J.; Biswas, A.)
Abstract	A novel approach for the electromagnetic modeling and characterization of metamaterials and advanced composites in the microwave band is presented. The modeling approach is based on the concept of a properly defined unit cell, which is simulated and optimized for a particular structure using the full wave electromagnetic field simulator in order to obtain the reflection and transmission coefficients in the specified frequency band. The characterization involves the determination of the effective dielectric and magnetic properties of the test sample corresponding to the particular unit cell in terms of the scattering coefficients using the proposed method. The characterization is first carried out with the help of simulated data, and then a number of metamaterials and composite structures are fabricated. The scattering coefficients of these fabricated structures are measured with the help of a vector network analyzer by fitting them precisely into a section of X-band rectangular waveguide, and the effective dielectric and magnetic properties of these samples are determined from the measured scattering coefficients using the proposed method. A comparison is made between the simulated and the experimental results, and any difference between the actual and the determined values is properly analyzed.
Starting Page	247
Ending Page	252
File Size	320913
Page Count	6
File Format	PDF
ISBN	9781467331142
e-ISBN	9781467331166
DOI	10.1109/APACE.2012.6457670
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-11
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	permittivity dielectric measurements Rectangular waveguides unit cell permeability metamaterials Metamaterials Magnetic materials Dielectrics composite media Permittivity Electromagnetics
Content Type	Text
Resource Type	Article

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