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Phase constant

In electromagnetic theory, the phase constant (also wavenumber) is the imaginary component of the propagation constant for a plane wave. It is represented by the symbol β.

\beta = \frac{2\pi}{\lambda}

For a lossless transmission line:

\beta = \omega \sqrt{LC}

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Phase_constant". A list of authors is available in Wikipedia.
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