Analysis is presented to evaluate the character of waveguide modes in aniso
tropic media. The model used is based on the assumption that the properties
of the medium, which completely fills the waveguide considered, can be des
cribed by a permittivity- and a permeability-tensor and by a vanishing cond
uctivity. Based on this model the gelds of waveguide modes in rectangular t
ransmission lines are calculated. Several solutions of waveguide modes are
discussed. Copyright (C) 1999 John Wiley & Sons, Ltd.