Equations of light propagation through a slightly anisotropic medium are derived. They are applied to the analysis of the tomographic problem of dielectric tensor fields. Two particular tomographic problems are also considered: (1) the axisymmetric problem and (2) the problem of the tensor with slight (but not negligible) rotations of the principal axes.
Magnetism, Radiation, and Relativity
Supplementary notes for a calculus-based
introductory physics course
Daniel V. Schroeder
Weber State University
http://physics.weber.edu/schroeder/
dschroeder@cc.weber.edu