Scattering in elements of plasmon optics suppressed by two-layer dielectric structures

被引：37
|
作者：
Bezus, E. A. [1 ]
Doskolovich, L. L.
Kazanskiy, N. L.
Soifer, V. A.
机构：
[1] Russian Acad Sci, Image Proc Syst Inst, Samara 443001, Russia
来源：
TECHNICAL PHYSICS LETTERS | 2011年 / 37卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
WAVE-GUIDE; SURFACE;
D O I：
10.1134/S1063785011120030
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Based on the results of simulations in the framework of a rigorous electromagnetic theory of diffraction, it is shown that a structure comprising two isotropic dielectric layers on a metal surface can be used to suppress parasitic scattering in elements of plasmon optics. The proposed dielectric structure makes possible a tenfold decrease (to 1-3%) in the level of scattering losses. This approach can also be applied in creating various elements of plasmon optics, in particular, lenses and Bragg reflection gratings.
引用
收藏
页码：1091 / 1095
页数：5
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