Small hemielliptic dielectric lens antenna analysis in 2-D: Boundary integral equations versus geometrical and physical optics

被引：50

作者：

Boriskin, Artem V. ^{[1
]}

Godi, Gael ^{[2
]}

Sauleau, Ronan ^{[2
]}

Nosich, Alexander I. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Radiophys & Elect, UA-61085 Kharkov, Ukraine

[2] Univ Rennes 1, Inst Elect & Telecommun Rennes, Grp Antennes & Hyperfrequences, F-35042 Rennes, France

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 02期

关键词：

boundary integral equations (BIEs); dielectric lens antennas; geometrical optics (GO); physical optics (PO);

D O I：

10.1109/TAP.2007.915432

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We assess the accuracy and relevance of the numerical algorithms based on the principles of geometrical optics. (GO) and physical optics (PO) in the analysis of reduced-size homogeneous dielectric lenses prone to behave as open resonators. As a benchmark solution, we use the Muller boundary integral equations (MBIEs) discretized with trigonometric Galerkin scheme that has guaranteed and fast convergence as well as controllable accuracy. The lens cross-section is chosen typical for practical applications, namely an extended hemiellipse whose eccentricity satisfies the GO focusing condition. The analysis concerns homogeneous lenses made of rexolite, fused quartz, and silicon with the size varying between 3 and 20 wavelengths in free space. We consider the 2-D case with both E- and H-polarized plane waves under normal and oblique incidence, and compare characteristics of the near fields.

引用

页码：485 / 492

页数：8

共 17 条

[1] Small hemielliptic dielectric lens antenna analysis: Boundary integral equations vs. GO and PO
Boriskin, A. V.
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Godi, G.
Sauleau, R.
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