Based on the author 's more-than 30 years of experience, this first-of-its-kind volume presents a comprehensive and systematic analysis of electromagnetic fields and their scattering by material objects. The book considers all three categories of scattering environments commonly used for material measurements - unbounded regions, waveguides, and cavity resonators. The book covers such essential topics as electromagnetic field propagation, radiation, and scattering, containing mathematically rigorous approaches for the computation of electromagnetic fields and the explanation of their behavior. Moreover, the book explore new measurement techniques for material characterization most of which have never been published before. This detailed reference is packed with over 400 equations.
Table Of Contents
Introduction - Microscopic-Macroscopic Transformation. Metamaterials. Free-Space Measurements and Focusing. Waveguide Measurements. Resonator Measurements. Radio Frequency (RF) Measurements. Measurement Accuracy and Extraction Sensitivity.; Fundamentals - Spectral Transformations. Maxwell 's Equations in Free Space. Constitutive Relations. Propagation in Homogeneous Media. Source-Free Electromagnetic Fields in Homogeneous Media. Plane Waves and Polarization. Electromagnetic Fields in Material Layers. Antennas and Antenna Arrays. Dispersion. The Concept of Focusing. Focusing Using a Linear Antenna Array. ; Guided Wave Propagation - Guided Waves in Homogeneously Filled Waveguides. Eigenmodes of Inhomogeneously Filled Waveguides. Waveguides with Lossy Boundaries. Excitation of Waveguides. Waveguide Junctions.; Electromagnetic Cavity Resonators - Construction of Complete Sets of Three-Dimensional Vector Functions. Resonance Modes in Homogeneously Filled Cavities. Resonance Modes in Inhomogeneously Filled Cavities. Cavity Resonators with Lossy Boundaries. Excitation of Cavity Resonators. Aperture Coupling of Cavity Resonators. ; Free-Space MeasurementsPlanar Interfaces - Incident, Scattered, and Total Fields. Measurement Configuration. Plane-Wave Decomposition of the Far Field of Illuminating Antennas. Material Half Spaces (Reflection Measurements Only). Transversally Directed Short Current Element as a Radiating Antenna. Short-Circuited Material Slabs (Reflection Measurements Only). Material Slabs (Both Reflection and Transmission Measurements).; Free-Space MeasurementsCylindrical and Spherical Interfaces - Measurement Configuration for Cylindrical Interfaces. Cylindrical-Harmonics Expansion of the Far Field of Illuminating Antennas. Measurement of the Constitutive Parameters of Material Cylinders. Measurement Configuration for Spherical Interfaces. Spherical-Surface-Harmonics Expansion of the Far Field of Illuminating Antennas. Measurement of the Constitutive Parameters of Material Spheres. ; References. About the Author. Index.;
Abbas Omar is a chair-professor and head of the Chair of Microwave and Communication Engineering at the University of Magdeburg in Germany. He holds an M.Sc. in electrical engineering from Ain Shams University in Cairo, Egypt and a Dr.Ing. in electrical engineering from the Technical University of Hamburg in Germany.