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A Review of Electromagnetic Diffraction by Small Apertures in Conducting Surfaces
Simple methods for computing electromagnetic dif fraction by small apertures in conducting surfaces are reviewed, with an attempt to present the concepts tutorially so that this body of knowledge is rendered accessible to practicing engineers. Representation of the field diffracted by a small aperture in a screen by means of equivalent dipoles is discussed and salient properties of the associated aperture polarizabilities are outlined.