Abstract—A general solution is obtained for the problem of synthesizing a gradient dielectric lens with central symmetry and external focus, which transforms the field of a point source into a given geometric-optical field. As an example of using the obtained solution, the problem of synthesizing a lens that forms a table-shaped radiation pattern is considered. By means of numerical simulation by the finite element method, an analysis of a multibeam planar lens antenna based on a synthesized lens made in the form of a set of dielectric rings located between two metal disks was carried out.
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The study was supported by a state task (topic no. 0030-2019-006).
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Venetskiy, A.S., Kaloshin, V.A. & Chan, T.T. General Solution of the Problem of Synthesis of a Gradient Lens with Central Symmetry. J. Commun. Technol. Electron. 67, 946–951 (2022). https://doi.org/10.1134/S1064226922080162
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DOI: https://doi.org/10.1134/S1064226922080162