PROPAGATION OF ELECTROMAGNETIC WAVES IN CYLINDRICAL WAVE-GUIDES WITH IMPERFECTLY CONDUCTING WALLS

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Abstract
Two different methods of constructing the Green's function for a class of layered fluid media of infinite depth are considered and shown to be equivalent. One method uses contour integration with a radiation condition set at z = ∞, while the other considers the limiting form for the Green's function given for finite values of z as a sum of mode terms.