This java applet demonstrates standing electromagnetic waves
in a 3-d rectangular box, or cavity resonator. To use the applet,
double-click on one of the grid squares to select a mode. The TE
modes are on top and the TM modes are on the bottom. Use the menu
items to select the electric or magnetic field, and the way the field
is displayed.
Full Directions.
Zip archive of this applet.
Waveguide applet.
More applets.
The source.
java@falstad.com