Polarized infrared emission using frequency selective surfaces

被引：37

作者：

Ginn, James ^{[1
]}

Shelton, David ^{[1
]}

Krenz, Peter ^{[1
]}

Lail, Brian ^{[2
]}

Boreman, Glenn ^{[1
]}

机构：

[1] Univ Cent Florida, CREOL, Coll Opt & Photon, 4000 Cent Florida Blvd, Orlando, FL 32816 USA

[2] Florida Inst Technol, Dept Elect & Comp Engn, Melbourne, FL 32901 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 05期

关键词：

THERMAL EMISSION; REFLECTARRAY; ARRAYS; DESIGN;

D O I：

10.1364/OE.18.004557

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An emission frequency selective surface, or eFSS, is made up of a periodic arrangement of resonant antenna structures above a ground plane. By exploiting the coupling and symmetry properties of an eFSS, it is possible to introduce polarization sensitive thermal emission and, subsequently, coherent emission. Two surfaces are considered: a linearly polarized emission surface and a circularly polarized emission surface. The linearly polarized surface consisted of an array of dipole elements and measurements demonstrate these surfaces can be fabricated into high polarization contrast patterns. The circularly polarized surface required the use of an asymmetrical tripole element to maintain coherence between orthogonal current modes and introduce the necessary phase delay to realize circularly polarized radiation. (C) 2010 Optical Society of America

引用

页码：4557 / 4563

页数：7

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