Comparative electrodynamical analysis and optimization of radially inhomogeneous cylindrical absorbing elements
- 1 студентка, Московский физико-технический институт (государственный университет)
- 2 к.т.н., доцент, Московский авиационный институт (национальный исследовательский университет); начальник отдела, ПАО «Радиофизика» (Москва)
- 3 д.ф.-м.н., вед. науч. сотрудник, ПАО «Радиофизика» (Москва); доцент, Московский физико-технический институт (государственный университет)
Abstract
An absorbing element in the form of a two-layer dielectric cylinder with losses in the core having both constant and linear profiles, as well as a cylinder with losses both in the shell and in the core are considered. The cylinders are assumed to be excited by a field of an E-polarized plane wave. Solution of the problem of scattering and absorption is solved with using the hybrid projection method. It is shown that high absorption efficiency for the cylinder with lossless shell can be achieved only for relatively large values of the outer radius. The use of a shell with losses allows obtaining high absorption efficiency at relatively smaller values of the radius. The results obtained for the two-layer absorbing cylinders are compared to the results also obtained in the work for an absorber in the form of a lossy cylindrical Luneburg-Gutman lens providing even higher absorption efficiency.
How to cite
Чижевская Я.И., Смольникова О.Н., Скобелев С.П. Сравнительный электродинамический анализ и оптимизация радиально-неоднородных цилиндрических поглощающих элементов // Радиотехника. 2018. № 4. С. 23–32.
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