For example , in a hollow waveguide where the TEM wave can not exist but TE and TM waves can propagate ,
Nevertheless , it is invalid to the TE wave ( transverse electric wave ) and TM wave ( transverse magnetic wave ) .
In a hollow waveguide where the TEM wave can not exist but TE and TM waves can propagate ,
Nevertheless , it is invalid to the TE wave ( transverse electric wave ) and TM wave ( transverse magnetic wave ) .