Changes

# '''[[FDTD_Source_Types#Plane_Wave_Source|Plane Wave Source]]''': A distributed source with a plane wave profile defined using a virtual box object enclosing the entire physical structure.

# '''[[FDTD_Source_Types#Gaussian_Beam_Source|Gaussian Beam Source]]''': A distributed source with a complex-valued focused Gaussian beam profile defined using a virtual box object enclosing the entire physical structure.

[[Image:FDTD48.png|thumb|300px|The Port Definition dialog]]

Once you define a source, you can always changes its [[parameters]] later from its property dialog, which can be accessed from its right-click contextual menu. You can also delete sources.

=== Excitation Waveform & Frequency Domain Computations ===