Beam shaping in two-dimensional metallic photonic crystals

被引：8

作者：

Kumar, N. ^{[1
]}

Maigyte, L. ^{[1
]}

Botey, M. ^{[2
]}

Herrero, R. ^{[1
]}

Staliunas, K. ^{[1
,3
]}

机构：

[1] Univ Politecn Cataluna, Dept Fis & Engn Nucl, Terrassa 08222, Spain

[2] Univ Politecn Cataluna, Dept Fis & Engn Nucl, Barcelona 08036, Spain

[3] Inst Catalana Recerca & Estud Avancats ICREA, Barcelona, Spain

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2014年 / 31卷 / 04期

关键词：

PROPAGATION;

D O I：

10.1364/JOSAB.31.000686

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study light beam propagation in periodic metallic nanostructures-metallic photonic crystals (MPhCs). In particular, we consider a two-dimensional rhombic array of metallic cylinders embedded in air and explore its ability to tailor spatial propagation of light beams. We show that the structure supports self-collimated propagation and negative ( anomalous) diffraction. In this later case, flat lensing is observed, leading to the focusing of beams behind the MPhCs. Moreover, the anisotropic attenuation of light provided by the structure enables spatial filtering of noisy beams. (C) 2014 Optical Society of America

引用

页码：686 / 690

页数：5

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