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Lecture Notes on ELECTROMAGNETIC FIELDS AND WAVES

Lecture Notes on ELECTROMAGNETIC FIELDS AND WAVES . (227-0052-10L). Prof. Dr. Lukas Novotny ETH Zu rich, Photonics Laboratory February 9, 2013. Introduction The properties of ELECTROMAGNETIC FIELDS and WAVES are most commonly discussed in terms of the electric field E(r, t) and the magnetic induction field B(r, t). The vector r denotes the location in space where the FIELDS are evaluated. Similarly, t is the time at which the FIELDS are evaluated. Note that the choice of E and B is ar- bitrary and that one could also proceed with combinations of the two, for example, with the vector and scalar potentials A and , respectively.

The objective of this course is to establish the theoretical foundations that lead to Eq. (2) and to develop an understanding for the generation and propagation of electromagnetic fields. Microscopic and Macroscopic Electromagnetism In microscopic electromagnetism one deals with discrete point charges q i located at r n (see Figure 4). The ...

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