Electromagnetic wave theory is a branch of physics that studies the properties and behavior of electromagnetic waves, which are oscillations of electric and magnetic fields that propagate through space and time. Electromagnetic waves include visible light, radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays. They have various applications in communication, imaging, radar, astronomy, medicine, and many other fields.
One of the most comprehensive and authoritative textbooks on electromagnetic wave theory is written by Jin Au Kong, a professor of electrical engineering at the Massachusetts Institute of Technology. The book is titled Electromagnetic Wave Theory and it was first published in 1986 by Wiley Interscience. The book covers topics such as fundamental laws and equations for electromagnetic theory, transmission line theory, electromagnetic waves in media, reflection, transmission, guidance, and resonance of electromagnetic waves, radiation and antenna theory, theorems and limiting cases of Maxwell's theory, scattering by spheres, cylinders, rough surfaces, and volume inhomogeneities, and Maxwell's theory from the point of view of Lorentz covariance and special relativity. The book also provides useful exercises and applications at the end of each section.
The book is based on Kong's 1968 Ph.D. thesis, where he introduced the concept of bianisotropic media, which are materials that exhibit both electric and magnetic polarization in response to electromagnetic fields. The book also introduces a fundamental unit for spatial frequency, which is cycle per meter in spatial variation. This unit is analogous to the unit for temporal frequency, which is cycle per second in time variation. The book uses a unified macroscopic theory of electromagnetic waves that is consistent with the principle of special relativity and the form invariance of the Maxwell equations and the constitutive relations.
The book has been used in several undergraduate and graduate courses that Kong has been teaching at MIT. It has been revised and updated several times since its first edition. The latest edition was published in 2008 by EMW Publishing Company. The book has received positive reviews from students and researchers who have found it to be clear, rigorous, comprehensive, and insightful.
If you are interested in learning more about electromagnetic wave theory and its applications, you can download a PDF version of the book from [this link]. You can also find more information about the book and its author from [this website] or [this page].
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