A device for transmission lines conveying the linear structure of the electromagnetic energy. It is an important component of the telecommunication system, which is used to transmit electromagnetic waves carrying information from one point to another along the route specified by the transmission line.
A transversal electromagnetic (TEM) mode is used to transmit a guided wave structure of electrical energy and electrical signals. The characteristic of the transmission line is that its transverse size is far less than the working wavelength.
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