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Electromagnetic Wave from Dipole over a Perfect Conductor

​
direction of dipole
vertical (z axis)
horizontal (x axis)
dipole position h (m)
0.5
dipole moment
p
0
(nC·m)
0.1
1
10
frequency f (GHz)
0.2
0.5
1
observation plane
x-z plane
y-z plane
phase: ω t (°)
0
This Demonstration shows the electromagnetic field for an electric dipole placed over a perfect conductor. The spatial distributions of energy density and the Poynting vector are shown for varying dipole direction, observation plane, and time. You can also vary the distance between dipole and the plane
h
, the amplitude of the dipole moment
p
0
, and the frequency
f
. The energy density pattern is shown in color on a logarithmic scale, and the Poynting vector is mapped by arrows.
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