There are two sets of wave modes, TE and TM modes, that can
propagate in a rectangular waveguide as shown in right Fig. For the TM modes,
, and the
component takes the form 
TM Rectangular Waveguide
Editors： 趙嘉瀅、林俊宏、張峰嘉
Advisor： 江簡富 教授
Demonstration:
There are two sets of wave modes, TE and TM modes, that can
propagate in a rectangular waveguide as shown in right Fig. For the TM modes,
, and the
component takes the form
Substituting this into the wave equation gives
the dispersion relation 
