Material Parameter Measurements for Microwave Antireflection Coating Development
Author(s) -
Lajos Nagy
Publication year - 2008
Publication title -
active and passive electronic components
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.144
H-Index - 22
eISSN - 1026-7034
pISSN - 0882-7516
DOI - 10.1155/2008/247958
Subject(s) - microwave , finite difference time domain method , materials science , characterization (materials science) , coaxial , range (aeronautics) , optics , coating , particle (ecology) , reflection (computer programming) , scattering parameters , mixing (physics) , material properties , computational physics , acoustics , composite material , physics , computer science , engineering , mechanical engineering , oceanography , quantum mechanics , geology , programming language
The main steps for characterization and measurement of microwave absorbent materials in the 1–10 GHz range are introduced. The coaxial reflection-transmission type of material parameter measurement is analyzed in detail and the main measurement error is corrected. The microscopic material particle parameter measurement concept is also presented using different mixing rule laws to determine the material parameters of the single particles from the macroscopic parameters. Two-dimensional FDTD simulations have been used to model the behavior of mixed electric and magnetic type of material
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