All-Angle Negative Refraction and Imaging Effects for Both Polarizations in Pure Dielectric Composite Two-Dimensional Photonic Crystals

被引：5

作者：

Jiang, Liyong ^{[1
]}

Wu, Hong ^{[1
]}

Zheng, Gaige ^{[2
]}

Li, Xiangyin ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Dept Phys, Nanophoton Lab, Nanjing 210094, Jiangsu, Peoples R China

[2] RIKEN, Tanaka Metamat Lab, Wako, Saitama 3510198, Japan

来源：

APPLIED PHYSICS EXPRESS | 2012年 / 5卷 / 01期

关键词：

LENS;

D O I：

10.1143/APEX.5.012202

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Due to the band separation between two polarization modes, it is usually difficult to realize all-angle negative refraction (AANR) for both polarizations from normal dielectric-rod or air-hole photonic crystals (PCs). In this letter, we propose a pure dielectric composite PC that shows much suppressed band structures that are quite useful for the formation of a common frequency area of AANR for both polarizations. Further simulations have first demonstrated the common AANR and imaging effects in such composite PC and we can control the property of the image by changing the cutoff at surface termination and the PC thickness. (C) 2012 The Japan Society of Applied Physics

引用

页数：3

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