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Article << Previous     |     Next >>   Contents Vol 15(1)

Ray Paths in Inhomogeneous Anisotropic Media

RF Mullaly

Australian Journal of Physics 15(1) 96 - 105
Published: 1962

Abstract

The paths of rays in inhomogeneous anisotropic media are studied, starting from Fermat's Principle of Stationary Time. The media considered have a refractive index which depends on the angle between the direction of propagation and an axis of symmetry in the medium, and on several scalar parameters; both these and the direction of the axis are functions of position. Expressions are developed for the curvature of a ray path and are applied to (a) radio rays in an ionized medium pervaded by a non-uniform magnetic field and (b) acoustical rays in a moving fluid.



Full text doi:10.1071/PH620096

© CSIRO 1962

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