LineSource¶

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Defines a time-harmonic, singular electric current density on a $z$ -coordinate directed line,

$\begin{eqnarray*} \VField{J}(\pvec{x}, t) & = & \VField{j} \delta \left( [x, y]-[x_0, y_0] \right) e^{ik_z (z-z_0)}e^{-i \omega t} \end{eqnarray*}$

Here, $\omega$ is the the angular frequency, $k_z$ is the wave vector in $z$ -direction, $\pvec{x}_0 = [x_0; y_0; z_0]$ is the position of the line source and $\VField{j}$ is a constant strength vector. These parameters are set using the keys Omega, KZ, Position, and Strength, respectively.

The PostProcess DipoleEmission can be used to compute the total emitted power of a point or line source.