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电信和无线电工程
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v68.i1.10
pages 1-26

Comparative Research on the Adequacy of GO/PO-, FDTD-, and IE-Based Numerical Algorithms for Analyzing Compact Dielectric Lenses in MM and SubMM Integrated Antennas

Artem V. Boriskin
IRE NAS Ukraine, A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine; Institut d'Electronique et de Télécommunications de Rennes UMR CNRS 6164, Université de Rennes 1, Rennes, France
G. Godi
Institute of Electronics and Telecommunication, University of Rennes 1, Campus de Beaulieu, bat 1 ID, 35042 Rennes Cedex, France
A. Rolland
Institute of Electronics and Telecommunication, University of Rennes 1, Campus de Beaulieu, bat 1 ID, 35042 Rennes Cedex, France
R. Sauleau
Institut d'Electronique et de Télécommunications de Rennes (IETR) - UMR CNRS 6164 Campus de Beaulieu, Université de Rennes 1, Avenue du Général Leclerc, 35042 Rennes Cedex, France
Alexander I. Nosich
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085

ABSTRACT

The subject of the paper is estimation of the accuracy and applicability of the numerical algorithms based on the methods of the geometrical and physical optics (GO/PO), and the finite difference in time domain (FDTD) method for analyzing the electromagnetic properties of two-dimensional reduced-size hemielliptical lenses that are the key elements of the dielectric lens antennas in the mm and submm wave range applications. The reference solution has been derived by the Muller boundary integral equations (IE) that provide the controllable accuracy of the numerical solution to the problem of the electromagnetic wave diffraction by a dielectric cylinder of an arbitrary cross-section. The numerical results concern the field characteristics in the near- and far-field hemielliptical lenses made of rexolite, quartz and silicon, considering both E- and H-polarizations. A special attention has been paid to analyzing the resonance inside the lens.


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