Numerical study of polarization-dependent focusing for a bilayer planar fss reflective lens at millimeter wavelengths

被引:6
作者
Bliznyuk, N [1 ]
Engheta, N [1 ]
机构
[1] Univ Penn, Dept Elect & Syst Engn, Philadelphia, PA 19104 USA
关键词
frequency-selective surface; millimeter-wave; method of moments; focal plane; lens;
D O I
10.1002/mop.11382
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
In this paper, we numerically analyze the polarization-dependent focusing properties of a planar reflective lens formed by two parallel layers of nonuniform "gangbuster" surfaces (GSs) above a ground plane. Since these GSs consist of superdense arrays of thin finite-length parallel metallic wires, the desired phase patterns on such a lens surface are achieved by adjusting the lengths of these metallic wires for appropriate polarization components. In our analysis, we use the method of moments (MoM) and the transmission-lines analogy, along with the surface-equivalence theorem, to estimate the field intensity in the focal plane. (C) 2004 Wiley Periodicals, Inc.
引用
收藏
页码:361 / 365
页数:5
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