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Appendix A Review of Electromagnetic Wave Propagation

Some sections of this book rely on the reader's familiarity with various aspects of EM field theory. This appendix briefly reviews wave propagation, the idea of a complex refraction index, the Poynting vector, and the diffraction limit. The concepts introduced here are reviewed only - not fully developed. Maxwell's equations are used as the starting point. SI units (meter, kilogram, second, ampere) are used throughout.

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