Infinitesimal Dipole


Electric force lines radiated from infinitesimal dipole

Electric force lines
How to make an animation: field_lines.pdf
Mathematica (HTML Version)

A small dipole is located at the origin and oriented vertically along the z-asis. The upper animation shows the electric force lines radiated from a small dipole. It's easy to imagine the 8-shaped far-field radiation pattern.


Energy Distribution Radiated From a Small Dipole

Energy distribution

Mathematica (HTML Version)


Electric Field and Magnetic Field

エネルギー分布

Far-field Radiation Pattern

8-figure donuts

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