Cavity Modes is a free Java based physics simulation that 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. Requirements:

Ссылка: http://www.fals..mbox.zip