Trirefringent Potentials for Isotropic Birefringent Media

Time-harmonic Lorentz vector and scalar potentials have been obtained for homogeneous biisotropic media, as also the integral equations relating source densities to the radiated potentials. It has been shown that the vector potentials are generally trirefringent, each vector potential consisting of two helical and one irrotational components. Potentials radiated by the canonical sources have been obtained, and the concept of canonical potentials has been introduced. Hertz potentials are examined, as also the Lorentz scalar potentials in a charged biisotropic region.