Review of electromagnetic theory
In this chapter, we review the electromagnetic theory and concepts used in later chapters. We will start with Maxwell's equations in time harmonic form, followed by boundary conditions. Expressions for energy and power are derived. We then discuss the reciprocity theorem. Vector and scalar potentials are derived. Image principle and the field equivalence principle are presented. Green's functions are discussed with a presentation of dyadic Green's functions for the magnetic current in a waveguide.
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