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\section{Polarisation}  \subsection{Allgemeine Polarisation(HEZ)}  \subsection{Lineare Polarisartion}  $$\Re{\underline{\vec{E_0}}}\times\Im{\underline{\vec{E_0}}}=\vec{0}$$  \subsection{Zirkular polarisierte TEM Welle}  \subsection{Linear polarisierte TEM Welle} $$|\Re{\underline{\vec{E_0}}}|=|\Im{\underline{\vec{E_0}}}|\quad\land\quad \Re{\underline{\vec{E_0}}}\perp\Im{}\underline{\vec{E_0}}$$  \subsection{Elliptisch polarisierte Welle}  $\rightarrow$ sonst (Normalfall)