Changing the dielectric causes the capacitance to change.

Stauroula Maragkou has written:

'A theoretical investigation of bends in nonradiative dielectric waveguide'

Rectangular Waveguide - TE10; (TM11 in case of TM waves)

Circular Waveguide - TE11;

M. D. Deshpande has written:

'Application of FEM to estimate complex permittivity of dielectric material at microwave frequency using waveguide measurements' -- subject(s): Network analysis, Dielectrics, Rectangular waveguides, Electric networks, Finite element method, Superhigh frequencies, Permittivity, Newton-Raphson method

'Application of finite element method to analyze inflatable waveguide structures' -- subject(s): Waveguide antennas, Inflatable structures, Finite element method, Rectangular waveguides

J. T. Kish has written:

'Theory of circular dielectric waveguide with anisotropic sheet cover' -- subject(s): Anisotropy, Circular wave guides, Circular waveguides, Dielectrics, Wave propagation